MOSTEK 5065'S by the 1000'S

ICROC PUTER Copyright © 1974 by -NEW RATES EFFECTIVE MARCH 1~ 1975 Microcomputer Associates Inc. I $28 •• 1 YEAR Printed in U.S.A. a DIOES o BrlL ME RBill MY smAes t'Y Volume 1, Number 8 February, 1975

MOSTEK 5065's By THE 1000's FIRST uC FLOPPY DISC SYSTEM The Mostek 5065 microprocessor, designed National Semiconductor has just announced specifically for a realtime, interrupt re a floppy disc operating system for its IMP- sponse environment, such as telecommunica 16 Microprocessor Development Systems. tions, is currently being shipped in "thou The new Disc Operating System (DOS) offers sands per month" quantities according to Ken unprecedented convenience and speed of oper Davis, spokesman for the Carrollton, TX based ation to the microprocessor system engineer microprocessor manufacturer. Quantity ship by completely eliminating paper tape, cards, ments actually began back in February of 1974. and other source media. Source programs are Briefly, the 5065 is a single chip, 40-pin, written and edited at the system keyboard, 8-bit parallel PMOS microprocessor, equipped then stored directly on floppy disc, using with 51 instructions. Execution time ranges the source editor. The source program may from 3 to 16 Us. Several unique architectural then be assembled instantly with National's features have been incorporated' into the 5065 macro-assembler, under operating system con design. Foremost is the triple level archi trol, with a single command. tecture, so called because the processor chip (cont'd on page 3) triplicates the program counter, accumulator and the carry/link bit. This permits program COMPLETE uC KIT UNDER $500 level switching to occur immediately without the usual machine status saving overhead. A full microcomputer development system Another design feature of the 5065 is its is being offered for the first time in kit multiple indirect addressing capability. form for less that $400. MITS, Inc.'s (cont'd on page 2) . ALTAIR 8800 microcomputer kit includes an Intel 8080 microprocessor, 256 x 8 RAM, INSIDE THIS ISSUE assorted IC, front panel, 4 PC boards, and enclosure. (cont'd on page 3) LAS VEGAS--CA firm displays new microcomputer THE INTELLEC DEVELOPMENT SYSTEM video response controller. Story on page 5. 8 (SECOND IN A SERIES) FAIRCHILD--First large production CCD memory Intel manufactures two development systems announced. Story on page 8. to support their 4-bit and 8-bit microproces FEBRUARY LITERATURE REVIEW--Microprocessor sors, Intellec 4/40 and Intellec 8/80. This Field Survey and Data Book is this month's issue will discuss the 8/80 system. The MD Review. Story on page 14. Intellec 8/80 system evolved from the SIM 8 development system introduced by Intel in COURSES--Upcoming microcomputer courses and 1971 (SIM 8's are now out of production). seminars for February thru April on page 16. The Intellec 8/80 has all necessary hard FINANCIAL--'74 earnings are in for microcom ware and software to support a complete sys puter manufacturers. S.ee page Ie. tem development. It was designed to simplify the development of microcomputer systems us ing Intel's 8-bit chips. (cont'd oTI:"page 3)

&~~ 2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247·8940 Published monthly by Microcomputer ASSOCiates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 2 Volume 1, Number 81 February, 1975

TABLE OF CONTENTS MOSTEK 5065's By THE 1000's SPECIAL FEATURES Page (from page 1) Mostek 5065' s By The 1000 "s ..•...... -I- The basic instruction format supports First uC Floppy Disc System ••••••••••• I several addressing modes, including direct Complete uC' Kit Under $500 .••• , ••••••• 1 (to page 0), page relative and indirect ad The Intellec 8 Development System ..••• 1 dressing. Furthermore, the left-most bit of TECHNOLOGY an indirect. address is used to indicate fur French Firm Unveils 12L P-8 .••••.•••.. 5 ther indirect references, such that a chain Rockwell Lowers uC Prices ...••••••••.. 5 of indirect addresses can be implemented. MICROCOMPUTER-BASED PRODUCTS This feature has the effect of limiting the In-House uC Softw~re Support ••.•..••.• 5 memory addressing range of the 5065 to 32K Las Vegas Show Debuts VRC-IOO ••••••••. 5 bytes. Point Plotter Module Announced .••...•. 6 Other features include a 256 byte RAM Processing Cost Halved ...... •.•.••.•.• 6 stack (page 1) which permits 128 levels of 8008--Heart Of New MI2 Processor ..•••. 6 subroutine nesting, DMA capability via a Surveillance System Harnesses uC •..... 6 WAIT signal input, and on-chip decoding'of Text Editor With Floppy Discs ...•..•.. 7 control signals to facilitate I/O inter Custom Fast Fourier Transform ..••.••.• 7 facing. Supply voltages are +5, -5 and uC Memory System For Minis .••.••••••.• 7 -12 V. 8-Bit Microcomputer ....•.••••••.••••.• 7 Supporting development tools include a uC Controls Arcade-Bowling Game •.•••... 7 cross assembler, installable on a l6-bit mini Action Upgrades Processor With uC •••.. 8 computer (available for $100) and an evalua Rugged Mi cro •.•.•..••.••.••••••••.•..• 8 tion board (2Q75) complete with clock, 512 MEMORIES AND PERIPHERALS ROM, lK RAM bytes, UART for TTY and a very First Production CCD Memory Introduced. 8 usable systems development aid called PAR New $21 4K RAM .•...... ••..•...... 9 (Program Aid Routine). PAR provides a con New l2-Bit A/D Converter ••.•..•.•••... 9 sole debugging facility through the TTY, com Photopen For uC Terminal ...... •••.••• 10 plete with loader, single step, display, National Ships MOSRAM 410 ..•.•••...... 10 alter, breakpoint, etc., features of a de New 1024-Bit CMOS RAM •••.•.••.••..•... 10 bugger program. Mostek supplies their cus New uC Peripheral Line ...•.•...... 11 tomers with complete documentation for a National Adds 4K RAM To Line ...... 11 build-it-yourself hardware development sys Signetics To Ship Sample 4K RAM ...... 12 tem. PEOPLE, LITERATURE AND EVENTS The 5065 is immediately available in pro Siemen's Bid For European Market •.•... 12 duction quantities. CPU chip prices are $58 NCR's Second Microelectronic Plant .... 12 in quantities of 100 to 499 pieces. The eval Cusick Named WD's New VP ..••.••...... 12 uation board will be priced in the $800 Rockwell To Push Standard Products' .... 12 range. ROMs and RAMs are also available EDN uP Design Series .•.••..•.•...•.••• 12 from Mostek as well as a realtime clock chip Microcomputer Structures •••••...•••.•• 13 (MK5009). A PIA (Peripheral Interface European Micro Organization •.•••••..•. 13 Adaptor) will be introduced in the third The ICS uC Educational Congress •••••.• 13 quarter of 1975. Recent Literature .•...••••••.•..••••.• 14 EDUCATION # # # # Microcomputer Courses, Seminars and Conferences For February thru April 16 Ed's Note: Six month subscriptions are now FINANCIAL beginning to expire. Please make sure you Earnings ...... •. 18 have renewed yours. Bartlett To Rep Zentec •••••..•.•..•••• 19 We are most interested in your views and COMPANY AND PUBLICATION INDEXES ....•.•.. 19 opinions. Address all comments to the Reader's Forum Department.

2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern . M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; ~&cl DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 3 Volume 1, Number 81 February, 1975 interconnects the memory board to the micro FIRST pC FLOPPY DISC SYSTEM processor card. The printed-circuit boards and supplies (from page 1) are mounted on an 18" x 17" x 7" metal cabinet The assembled program may be stored on disc with room to spare such that 17 additional in binary form, then loaded into the processor boards can be inserted for added capabilities. through the DOS Linking Loader, along with The kit is now available from MITS, Inc. other object modules and the DEBUG program. for $395 unassembled and $498 assembled (after Software debug may then be carried out quickly Barch 1, prices will increase to $495 and and easily. All this without ever touching $750). The company is also in the process of paper tape, or loading source programs more designing several peripheral units to comple than once. ment the microcomputer. From the programmer's standpoint, DOS means he can write and debug programs much faster THE INTELLEC 8 DEVELOPMENT SYSTEM than ever before, and without the confusion of handling paper tapes. He is freed from burden (from page 1) some computer operator chores, and his time The Intellec 8/8 uses the 8008-1 as its becomes much more productive. CPU while the Intellec 8/80 uses the 8080 as National's new DOS will run on any IMP-16P its CPU. The basic Intellec system has its or 16L development system with 8K or more own power supply, cabinet, display and con ~ords of memory. The Shugart dual-drive trol panel, 8K bytes of RAM, 4K PROM module ~loppy disc system provides the user with over with sockets, an I/O module which will handle 5M-bits of storage for his system software and 32 input lines and 32 output lines as well as application programs. provisions to add a UART (Universal Asynchro Although DOS requires only a floppy disc nous Receiver Transmitter) for serial commu and a TTY for operation, it will support a nication interfaces, and a PROM programmer host of peripheral devices including a high module. The Bare Bones 8 Intellec is the ba speed paper tape reader, card reader, CRT sic unit but without power supply, display terminal and line printer. and control panel or cabinet. Both versions DOS may be ordered now for delivery in have the capability to expand memory to 16K April. The package price of $5500 includes for the 8/8 and 64K for the 8/80. The stand a dual-drive floppy disc, interface, cable, ard software includes a resident System DOS software and documentation. Monitor, Text Editor and Assembler. The CPU module contains the 8008-1, crystal controlled clock as well as necessary memory COMPLETE ~C KIT UNDER $500 interfacing and I/O control logic. The memory (from page 1) interface contains a latched 14-bit address The front panel display board has 36 LED bus, an 8-bit input bus and an 8-bit output lamps, associated drivers, interfacing cir bus. I/O control also utilizes these lines. cuitry for the control panel to microproces The module is also able to process interrupts. sor, and programming switches. The front It contains an interrupt request line and an panel display board slides into the enclo 8-bit interrupt port. An external device may sure's front. Both the address line inputs request service by placing an appropriate in AO-A16 and data lines DO-D7 have LED indica struction code on the interrupt port's lines tors. The address line inputs can be pro and activating the request line. grammed through a row of 16 switches. The RAM memory module provides the user Another PC-board houses the Intel 8080, with 4K bytes of random-access memory per mo two-phase clock, buffers and status registers. dule. Up to 4 modules can be used in a sys The memory board houses the 256 x 8 RAM tem. The PROM memory module provides up to (expandable to 1000 words), input/output data 4K bytes of non-volatile read-only memory. gating, address-decoding, memory-wait and Sixteen sockets are provided on the module memory protect circuits. A 100-line bus (cont'd next page)

2368_C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; &cl DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 4 Volume 1, Number 8 I February, 1975 which accepts 1702A PROMs. Up to four mo The System Monitor is contained in four dules can be used. The system can accomodate (eight for 8/80) 1702A PROMs and is assigned four RAM and four PROM modules simultaneously to the upper lK (2K) words of memory, leaving but only four of the modules, in any combina lower memory for program and data storage. tion, are enabled at a given time. Enabling This executive software allows the operator is provided on the PROM module on a socket-by to load and punch BNPF or hexadecimal format socket basis, thus allowing any PROM (socket) tapes, display and alter memory, load con to be enabled and override RAM at those mem stants to memory, move blocks of RAM memory, ory locations. The result is any mixture of program PROMs from RAM, load RAM from PROMs, RAM or PROM (within 16K bytes) in groups of and execute user programs. 256 bytes each. The lower 16 bytes of memory The 8/80, in addition, allows the operator must always be RAM memory if the System Moni to set program breakpoints, display CPU regis tor program is to be utilized. ters, and restart program execution from the The I/O module provides the user with an last breakpoint. input/output facility containing four indivi The Text Editor allows the operator to edit dually addressable input ports (32 lines), his source code, making corrections and addi two of which provide built-in Teletype inter tions. He may append code, delete code, lo facing and control, and four ipdividually ad cate strings, insert strings, substitute dressable output ports (32 lines). The Intel strings and output edited code via paper tape. lec is designed to handle two I/O modules per The text editor runs on a minimum Intellec 8 system. Cabling and connectors are provided system with Teletype I/O. (Requires a minimum allowing easy access to the I/O lines from the of 8K x 8 of RAM.) rear of the chassis. An additional output The Symbolic Assembler is a multiple pass module allows output expansion with eight type. During Pass 1 the assembler reads the individually addressable output ports (64 source code from the paper tape and generates lines). All output lines are individually a symbol table for later use. During Pass 2 latched and change only under program control. the assembler generates the assembly listing. The PROM Programmer module is an option to Also at this time, any detectable errors such the Intellec 8 system. It contains all neces as undefined jumps or missing symbols are in sary timing and logic to program Intel 1602A dicated by a diagnostic printout on the tele and 1702A Programmable Read Only Memories when type. Pass 3 may now be run. It generates used in conjunction with the System Monitor. object code and punches it on paper tape. A PROM Power Switch is provided on the control (Requires a minimum of 8K x 8 of RAM.) panel enabling AC power to be applied to this The Text Editor or Assembler must first be card which is used to generate the 48 volts loaded in RAM prior to execution using the required during the PROM programming cycle. System Monitor. Loading of these programs by a The Console Control module along with the 10 cps terminal takes 20-40 minutes, thus it front panel provides the user with program is recommended that a user purchase (at the monitoring and debugging capability. Features minimum) a high speed paper tape reader reduc include memory read and write capability, ing the loading time to under 10 minutes. Fur interrupt control, address halt, CPU status, ther software development support is available limited register display, and program single as cross products on several national time step capability. sharing systems. This includes an extensive The Intellec 8/80 system contains the same assembler, ins~ruction simulator and PL/M com basic operations as above except with new CPU piler. These programs are written in Fortran (with 8080), console controller, and I/O and will not run on the Intellec 8 systems. modules. All memory cards can be used with Intel provides complete documentation with the 8/8 or 8/80 system. each Intellec 8 including operators manual, The Intellec System Software is provided hardware and software reference manuals. in two forms. The System Monitor is provided Prices start at $3540 for the 8/8 and $3840 on PROM and the Text Editor and Assembler on for the 8/80. They include software and docu paper tape. mentation. Delivery is 30 days ARO.

&~~ 2368-C WALSH AVE., SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Assaciate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 5 Volume 1, Number 81 February, 1975 face chip to handle both IBM and non-IBM for TECHNOLOGY: mats. Rockwell is also engaged in the design of a CRT interface set. Neither have been FRENCH FIRM UNVEILS I2L P-8 scheduled for announcement. RTC-La Radiotechnique Compelec has com MICROCOMPUTER-BASED PRODUCTS: pleted development of an I2L 8-bit parallel microprocessor for Electronique Marcel IN-HoUSE ~C SOFTWARE SUPPORT Dassault (EMD). The 40-pin chip, called P-8 because it processes 8-bit words in parallel, C. A. Pullen and Associates, a microproces is a custom chip which meets military specifi sor consulting firm, has linked National cations and will be used in the next genera Semiconductor's IMP-l6 and IMP-4 microcomput tion of EMD microcomputers. ers to a core memory for in-house hardware The device consists of three major blocks, and software development. a logic block, an arithmetic block, and a for The requirement arose as a result of fre ward-carry block. The blocks are intercon quent power-downs for inserting and removing nected to input and output registers through interface cards which necessitated reloading a pair of multiplexers and an 8-bit, 8~channel programs each time from paper tape. To elim shift register. Logic operations take a maxi inate the time-consuming chore of reloading mum of 900 ns and arithmetic operations re large programs, a Fabritek core memory was quire a maximum of 1.2 us~ installed because of its non-volatility. Because the architecture of the National ROCKWELL LOWERS uC PRICES Semiconductor microprocessors makes it very easy to interface with any type of memory Rockwell is evidently going to compete with device, the adapter logic was relatively Intel for low volume market of both 4-bit and simple. 8-bit microcomputers. The firm has written The core is not cost-effective for end pro off a major portion of their development cost duct use; however, the firm has more than by selling the chips to high volume users. recovered the investment in time saved and They are now reducing. low volume prices for convenience in the process of developing sev the PPS-8 8-bit microprocessor. eral large programs. Prices between the two companies are almost identical at the 10K level, however at the LAS VEGAS SHOW DEBUTS VRC-IOO 100-up level, Rockwell is higher. Company Videonics, Inc. and Microcomputer Associ sources say this is a hendrance but one has ates Inc. have announced their plans to manu to remember that their PPS-4 is about twice facture and market the VRC-lOO VIDEO RESPONSE as fast as Intel's at the instruction level. CONTROLLER. The VRC-IOO is a microcomputer The PPS-8 has an instruction cycle time of controlled device that allows a videocassette 4 us and a l2 us per digit decimal addition player to become a teaching and testing in time. Features include a fast direct-memory strument. access at 4 us per byte, a 26-line parallel The VRC-lOO applies the basic teaching and bus structure, and three-level priority in testing philosophies of audio response sys terrupts. tems to a video response system. This is Rockwell is planning to introduce a new unique since the precise control and position kind of PROM which can be altered one byte ing of helical video tape players is extremely at a time. The RAM/PROM device would be difficult. Microcomputer Associates, respon especially suited for minimal systems and sible for design and manufacturing of the would be organized as 256 x 4. Later this VRC-lOO, incorporated the latest micropro year, they will announce a PROM directly com cessor tecnniques and components to solve petitive with Intel's ultra-violet-erased these complex control functions. PROMs. The VRC-lOO was unveiled in Las Vegas at Under development is a .floppy-disc inter~ the National Audio Visual Show on January 9.

cit!; 2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 6 Volume 1, Number 81 February, 1975 model will cost arount $6500. This compares POINT PLOTTER MODULE ANNOUNCED favorably with minicomputer prices of $13,000 or with the latest French microcomputer, the A new point plotter to allow microproces Micral S, at $8350. sors to readout digital information onto CRT The French company is just beginning a displays and analog recorders has been an development program for the CAMAC software. nounced by Data Translation Inc. The DT212 Sources indicate it will be another year be point plotter is the first standardized, modu fore the module reaches the stage where users lar function product for generating images on can plug a programmed unit into their system CRT screens. with no software problems. . According to Aaron Fishman, the company's Several U.S. companies, e.g., Aluminum Co. vice president of engineering, "The dual DAC of America, Westinghouse, and General Motors, point plotter allows microprocessors and minis are presently evaluating the CAMAC system. the capability of displaying graphic and al phanumeric data onto CRTs and plotters using 8008--HEART OF NEW MI2 PROCESSOR an XY matrix. The system designer now has one module that gives him all the controls, A new microcomputer has been announced by timing functions, X and Y axis D/A converters MI2 Data Systems. The machine, called Design to fill the gap between the computer and the 349, is aimed for the communications processor CRT display. The problems of screen ambiguity, and low-end minicomputer markets. uniform position information, and intensity At the heart of the system is an Intel 8008 timing and control are solved." microprocessor. Other features include a 2K System features include complete 12-bit D/A PROM, 2K RAM, one terminal interface and one converters for both the X and Y axis, line modem connection. Options include polling fea arity of ± 1/2 LSB for each axis, Z axis con tures, printers, floppy discs, synchronous trol and set-up delay, and mode control for transmission, parallel I/O connections and selecting any of 4 modes of operation depend other peripherals. ing upon whether a refresh or storage CRT is The system has 48 basic instructions and used. Most popular CRTs will interface with 250 executable instructions. Average execu the DT212. tion time is 40 us. The DT212 is part of Data Translations Single unit prices begin at $2395 and drop growing DATAX series. Prices begin at $245 to$1916 for 25-up quantities. for 100 quantity with two week delivery. SURVEILLANCE SYSTEM HARNESSES ~C PROCESSING COST HALVED Fairchild Space and Defense System has A French company is using a microcomputer chosen the Intel MCS-4 4-bit microcomputer to in their data processor in the hopes of halv be the heart of a new surveillance receiver. ing the cost of their European Economic Com The receiver can be interfaced to a mlnlcom munity CAMAC (a computer aided measurement and purer and CRT display for automated frequency control system). management. The JCAM-IO is built around the Intel 8080, The microcomputer-driven system performs and has 7K bytes of memory but can be inter the proper decimal manipulations required for faced to an add-on memory capable of 49,152 setting the divide-by-n counters in the re bytes of memory. ceiver's frequency synthesizers. The JCAM-IO can process data from 24 mod The microcomputer also decodes upper and ules loaded into two standard CAMAC racks. lower frequency limits and frequency scan Maximum system configurations can include up rates. to seven racks. Analog signal strengths are displayed on Although just out of the prototype stage, the front panel and the microcomputer controls the French company, Commissariat a l'Energie all transaction, meter monitoring and keyboard Atomique (CEA), has estimated the production debouncing. (cont'd next page)

&~~ 2368-C WALSH AVE., SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 7 Volume 1, Number 8 I February, 1975 Applications of the system are in ECM, EMI pheral device interfaces, and data communica:'" testing and direction finding. Range of the tion adapters, receiver is 10 kHz to 1 GHz with a maximum of The company says an optional CRT unit is 10 dB noise. also available to allow digital display of spectrum calculations. A printer can be TEXT EDITOR WITH FLOPPY DISCS easily connected for alphanumeric printout. Two microcomputer based-dispersed data pro uC MEMORY SYSTEM FOR MINIS cessing terminal systems have been announced by Microtech Data Systems Inc. A microcomputer-controlled cartridge mem Both systems, Model 8/640 and Model 8/640 ory system, the Intelifile BG 7000, is de II feature "Microtext", a total software signed to provide data storage for minicomput package, CRT monitor, typewriter keyboard with ers, data terminals, data acquisitions sys 10 key numeric pad, twin digital cassettes, tems, or NC tool stations. microprocessor, 8K to 16K bytes of ROM, PROM The system, manufacturered by J. Bobst & or RAM memory. The model 8/640 II has addi Fils' Graphic Division in Switzerland, uses tional memory capability to 65K bytes, floppy the Intel 8008 microcomputer to execute and discs, fixed head discs, character and line control macro commands received from host printers, 3M cartridge and 7/9 track magnetic equipment. The system performs all control tape units. functions without host intervention. A 5- Prices begin at $3590 for the 8/640 and channel DMA (built to a lK or 2K RAM is ini $4270 for the 8/640 II. Delivery is 90 days tialized by the microcomputer for asynchronous ARO. data transfer to and from the host equipment and the memory cartridge in write and read CUSTOM FAST FOURIER TRANSFORM after-write modes. Applied Systems Corp. has announced a fast 8-BIT MICROCOMPUTER fourier transform microprocessor for custom applications. Their ASC/8 FFT microcomputer Digital Products Corp. is marketing their is designed for spectrum analysis or signal 8-bit microcomputer complete with a 256 x 8 processing and is able to calculate the spec PROM, lK RAM, and special logic for DMA chan trum squared of 128 or more spectral lines in nel logic operation. The DMA provides auto realtime, while simultaneously processing matic addressing, permitting data input and other signals. output at rates up to 800 kHz under direct Features include realtime frequency distri control of the CPU. The system memory can butions, power spectrums, harmonic analysis, be expanded up to 16K bytes. I/O is TTL or one-third octave filtering. Several op compatible tions available are input signal conditioning, The microcomputer operates at +5 and -9 V multiple sampling rates, dynamic signal scal supplies. ing, data transformation, and output classi- . fication functions. ~C CONTROLS ARCADE-BOWLING GAME By tailoring the instruction set to each user, variations in data reduction techniques, Bally Manufacturing is marketing their new computation algorithms, operator display in microcomputer-based amusement game, the Bally formation, printed report formats, or process Alley arcade-bowling game. Controlling all control outputs can be matched for more spec of the game's functions is an Intel MCS-4, a ific applications. 4-bit microcomputer. Also designed into the system are provi It took the company a year to develop the sions for signal digitizing at rates to 50,000 game; 500 units have since been produced. points/s, input frequency ranges to over 3 A panel displaying the ball and pin opera kHz, quantization precision from 8 to 16-bits, tion hangs on the wall while players, via a memory modules from 4K to 16K words, peri- remote control box, operate the game. All (cont'd next page)

236~-C WALSH AVE., ~ANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; && DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 8 Volume 1, Number 81 February, 1975

official bowling scoring and rules are stored Dr. Thomas A. Longo, vice president and group in memory. general manager of Fairchild's Integrated Among many benefits, the company cited sav Circuit Group. ings in materials, labor and servicing to be "This device utilizes a high-performance the prime reason th'ey have inaugurated elec blend of Fairchild's proven NMOS and CCD tech tronics into their system. nology and is as easy to use as any MOS memory. It will perform a range of medium-speed memory ACTION UPGRADES PROCESSOR WITH ~C jobs better, cheaper, and more reliably than other solutions," Dr. Longo added. The Telecontroller, a programmable minicom The new memory uses technology developed puter-based communications processor has re by Fairchild in full-scale production of CCD cently been upgraded with a microcomputer. imaging devices during the past two years. The processor, built by Action Communica Fairchild introduced the first commercial CCD tion Systems, uses the microcomputer to allow device, a 500-element linear image sensor, higher throughput, increased port capabilities early in 1973. Since then the company has and use of additional high capacity disc con introduced and put into production a 100 x 100 trollers. The microprocessor addition allows element area image sensor and a 256-element the system to be used in high speed, high linear image sensor. Fairchild also manufa volume data communications networks that em tures a miniature television camera based oJ._ ploy a number of terminal types and communi the 10,000 element sensor. cation techniques. The CCD 450 memory utilizes Fairchild's The communication processor is a program isoplanar, buried-channel, ion-implanted mable unit that controls data transmission barrier structure in the storage registers, rates, circuit characteristics, line conven combined with N-channel silicon-gate MOS tions and terminals. structures for on-chip timing, charge detec tion and level conversion circuitry. The nine .bidirectional data lines are TTL compatible RUGGED MICRO and have tri-state output buffers for wired Applied Systems Corp. has introduced a new OR application. ruggedized microcomputer that has at its heart The device is organized as 1024 x 9. (9216 the Intel 8080 microprocessor. The system was bits). It contains nine 1024-bit low-power designed to withstand extreme temperature, CCD registers which are shifted in parallel vibration, shock, EMI/RFI, and humidity. The to provide storage and retrieval of 9-bit unit is housed in a standard ATR enclosure words in a byte-serial mode. Each register with provision for optiona~ I/O modules. is accessed by its own bidirectional data line, and all nine registers are serviced by MEMORIES AND PERIPHERALS: common two-pha~e data transfer clocks and read and write control functions. The device operates in four modes: read, write, read/ FIRST PRODUCTION CCD MEMORY INTRODUCED modify/write, and recirculate. Fairchild Camera and Instrument Corp. has Power dissipation in the read and write announced that the first charge-coupled de modes is 250 mW maximum, and only 30 mW in vice (CCD) memory has just been put into large standby recirculate mode. Average random scale production. byte access time is 200 us. The device uses The device, the CCD 450, is a 1024 x 9-bit simple two-phase clocking, and is packaged in serial storage element for memory applications a standard l8-pin ceramic DIP. Data rate is in terminal buffers, video display refresh, 50 kHz to 3MHz. microprocessor-control data stores, smart According to Fairchild, the CCD 450 will terminals, and electronic switching in data offer users lower cost per bit for small mem communication networks. ory, reduced system size, low power require "The Fairchild CCD 450 proves that CCD ments, reduced heat dissipation and simple memory is here on a production basis," said (cont'd next page)

12368-C WALSH AVE" SANTA CLARA, CA 95050 - (408) 247-8940 {- Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern \~ M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; cl'__ DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 9 Volume 1, Number 8 I February, 1975 application in comparison to other memory solutions. It is the first· of a family of NEW 12-BIT AID CONVERTER high density CCD memory devices to be an nounced by Fairchild this year. The advent of microprocessor chips has rap Evaluation quantities of the CCD 450 are idly accelerated the need for miniature high available on four-week delivery and production speed AID converters for use in data acquisi quantities will be available by the fourth tion systems. quarter of 1975. Sample pricing is $90 each New system design concepts are placing the in quantities of 1-10. Production quantity microprocessor chip and the associated data pricing for volume orders will be less than acquisition system close to the equipment, .l-cent per bit by year end, according to system, or process being monitored and con Dr. Longo. trolled. In cases such as oil well logging or con NEW $21 4K RAM trol of fluid, measurement and flow, analog readings on temperature, pressure, velocity, Intel Corp. has introduced a new high-speed gravity, and density must be monitored and 4096-bit dynamic RAM, the 2107B. The new de these data inputs must be processed by the sign features the smallest chip size of any 4K minicomputer. Rather than transmitting all RAM now available, according to Intel sources. data to the central processing computer, it The 2l07B has a worst-case access time of is now possible with microprocessor chips to 200 ns and a guaranteed minimum cycle time of do the necessary computation and integration 400 ns over the operating temperature range at the monitored site, control the function, of 0° to 70°C. A lower cost version, the and report back to the computer. 2107B-4, has a worst-case access time of 250 In many applications, the effective loca ns and minimum cycle time of 450 ns. Both tion of the microprocessor at the measurement types are available from stock from Intel dis site also places constraints on the Data Ac tributors. quisition System which incorporates the AID The 2l07B chip is 55% smaller than previous converter. RAMs with single-transistor cells. Mike These considerations generally require Mark~ula, components marketing manager, com that the (1) AID be small in size to enhance mented that the 2107B chip is almost as small the advantage of miniaturization attained as some of Intel's lK N-channel RAMs now sell with the microprocessor; (2) AID ~e low in ing in the $4 range in high volume. Yet the power to save on power supply requirements chip is fabricated with Intel's standard pro and keep heat low; (3) unit be adjustment cess at standard production tolerances. free, not only to reduce initial calibration Unlike earlier RAMs with single-transistor cost, but also to provide for free operation cells, the device operates at standard MOS in the field; and (4) unit be capable of oper supply voltages of -5, +5 and +12 V. The ating at high speed over broad temperature new design avoids the charge-sensing and sub ranges. strate voltage problems of competitive de Micro Networks Corp. has announced a new signs. Also, system non-volatility can be 12-bit AID series, the MN 5210 family, in achieved with a small backup battery. DIP packages to meet the high speed require The 2107B retains the industry standard ments and operation over a range of 0° to 22-pin configuration of the 2107A. It is a 70°C. single-clock, fully decoded RAM with a TTL The total conversion time of this unit of- compatible, tri-state output and TTL level fers to the industry, for the first time, a inputs. high speed converter in a DIP package competi These characteristics reduce system over tive in speed with the large AID modules. head costs to about 0.05 cents per bit~ com These DIP units have a maximum conversion pared with 0.15 cents per bit for lK dynamic time of 13 us which allows for full accuracy RAMs. Prices begin at $21.10 in 100-up quan with a 1 MHz clock. The MN5210 has a conver tities. sion time of 1 us per bit. ('cont'd next page)

2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, NY. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. ,Correspondent; RAY HOLT, Applications Technical Advisor; cia DARRELL D. CROW, Editor; LI~LlAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 10 Volume 1, Number 81 February, 1975 The MN5210 12-bit A/D converter requires software. The terminal is designed to meet a standard supply voltages of +15, -15 and +5 V. number of on-line alphanumeric applications. Power dissipation is typically 700 mW, about The 9081 is completely self-contained, has one-half to one-fourth the power of modular a pressure activated tip switch and requires A/D's. only +5 V. It is designed for applications Micro Networks' A/D converter is able to such as a menu selection, tracking cursors, meet additional stringent requirements of ad construction of graphic displays and facili justment-free operation with its "active trim tating addition, deletion and editing of dis ming" of the resistor ladder with the semi plays. conductor switch. By compensating for the The unit is designed to detect low light exact resistance in the switch, the A/D can levels from CRT phosphors, with no false trig be virtually error free. This is done at the gering from high ambient light levels or EMI Micro Networks plant by trimming the thin sources. Two outputs are provided: pulse film precision resistor networks of the A/D and switch. The pulse signal is generated for both zero and offset. Thus the user need when the unit detects the CRT beam while the not resort to the use of "pots" to "tweak" switch signal is generated by lightly depress the converter. In addition, temperature ing the pen tip against the CRT display sur tracking of thin film resistors to better face. than 1 ppm/oC guarantees long term stability The Photopen is unit priced at $1200; how and continuous adjustment-free operation. ever quantity discounts are available. The extreme stability of the resistor net work makes it possible to guarantee the MN NATIONAL SHIPS MOSRAM 410 5210 to be ± one-half LSB linear over the full operating range of 0° to 70°C. For full MIL National Semiconductor's Memory Systems range of -55° to +125 0 C, the "H" versions group has begun volume production shipments guarantee this same ± one-half LSB linearity. of its MOSRAM 410 memory system. All units in the series provide both serial The MOSRAM 410, which features National's and parallel outputs. The converters are MM2102 lK static memory chip, has been de available in three input ranges: 0 to-IO V, signed to offer the user maximum flexibility. ± 5 V, and + 10 V. For each of the ranges, Access/cycle times of 550 ns, 700 ns, and 1050 the user has the option of specifying a model ns are available, and capacities may vary from complete with an internal reference or with lK x 8 to 32K x 10 with no external support an external reference when a tighter absolute circuitry required. accuracy is desired. The memory requires only +5 V and has tri Price of the commercial version is $275 state outputs for bus-oriented systems. A each in quantities of 1 to 24. Price of the single 4K x 8, 1050 ns memory sells for $444 MIL range "H" version is $425. Delivery is and is available off-the-shelf. from stock to four weeks ARO. NEW 1024-BIT CMOS RAM PHOTOPEN FOR ~C TERMINAL A new 1024-bit static CMOS RAM, the IM6508, An all solid-state Photopen Device, the is now available from Intersil, Inc. in both 9081, which features a 200 ns response time, military and commercial versions. The device a high degree of noise immunity and the capa has a 250 ns access time over the full range bility of operating with either stroke-written with a +5 V supply, decreasing to less than or high resolution TV displays, both alpha 100 ns at 10 V. Total power requirements are numeric and graphic, is now available from 5 mW in standby and 10 mW at IMHz. Sanders Associates, Inc. The IM6508 is a synchronous RAM with TTL The Photopen can be used as an option for compatible inputs and outputs. The military the Sanders Series 8171 and 8172 terminals. device is packaged in a 16-pin DIP or flat Each terminal consists of a 12K microcomputer, pack, and the commercial version is available (cont'd next page) two CRT displays with keyboards, and emulation

I2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 Ii Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern \~ M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; cl',_ DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 11 Volume 1 ,Number 8 I February, 1975 in 16- and 18-pin packages. The 18-pin device, typically 3.5 ns per gate on the chip, and 5 IM6518, contains three chip enable inputs, two ns per output buffer. The speed/power product of which control write enable and output buf is 6 picojoules per gate and 10 picojoules per fer circuitry, and one that controls the ad output buffer. The process also allows high dress registers. density, typically 50 gates per square milli The IM6508 is the second CMOS RAM produced meter. by Intersil and is part of a family of associ Complementing the Macrologic family is a ated systems-oriented CMOS devices for the new line of compatible RAM and PROM memories data processing industry, including RAMs, using Fairchild's Isoplanar technology. The ROMs, microprocessors and input/output devices. PROMs incorporate a new combination of Iso The new memory is presently available from planar and Schottky processing that provides Intersil. Prices in 100+ quantities begin at higher speed, improved delay-power and lower $70 for the miliTary and $28 for the commer production costs. The initial family consists cial model. of 12 logic and memory devices: o 9401 Cyclic Redundancy (CRC) Generator/ NEW ~C PERIPHERAL LINE Checker o 9403 Serial/Parallel FIFO Fairchild Camera and Instrument Corp. will o 9404 Data Path Switch (DPS) introduce a new family of high-speed LSI bi o 9405 Arithmetic Logic Register (ALRS) polar logic elements centered around high per o 9406 6 x 4 Push Down/Pop Up Stack or formance Schottky processor and peripheral LIFO logic devices. Three of the devices are now o 9407 Data Access Register available, and the other eight will become o 9410 16 x 4 Clocked RAM available during the first half of 1975. o 93L422 256 x 4 RAM The new family, called Macrologic, is de o 93425A 1024 x 1 RAM signated by 9400 series part numbers, and are o 93446 512 x 4 PROM essentially subsystems in integrated circuit o 93448 512 x 8 PROM form. These devices can solve many application o 93454/93464 1024 x 8 ROM requirements and are expandable with virtually no external components. NATIONAL ADDS 4K RAM To LINE "The Macrologic family is aimed at solving system requirements of computer and peripheral National Semiconductor has enlarged its equipment manufacturers," said Dr. Thomas A. memory products line with the addition of the Longo, vice president and group general mana MM4030, a 22-pin 4096-bit RAM. ger of Fairchild's Integrated Circuits group. The 4K RAM is an N-channel, silicon gate HWhere speeds permit, new systems can be device with on-chip registers for addresses built around MOS/LSI microcomputers, such as and chip select. It features an access time Fairchild and other manufacturers will be of 200 ns and a cycle time of 400 ns. All producing," Dr. Longo said. inputs are TTL compatible, except chip enable, "Macrologic, however, offers solutions for as are the tri-state outputs, which may be systems that need higher operating speeds and OR'ed with other 4K RAMs. longer word lengths. Macrologic elements can The MM4030 is the second 4K RAM from be used with any bit length, instruction set National. The company had recently announced or organization, without performance penal its Tri-Share MM5270, an l8-pin N-channel RAM. ties, loss of flexibility or the need for The MM5270 offers 4K RAM users the opportu custom development." nity to nearly double the usual PC card mem The Macrologic elements use advanced ory density possible with 22-pin RAMs. Schottky TTL technology for high operating Production quantity deliveries of the speed, performance and economy. Typical com MM4030 'will start in mid-1975. plexity is from 150 to 250 gates per device, and the circuits are packaged in standard 14, 16, 18 and 24-pin packages. Gate delays are

SIGNETICS To SHIP SAMPLE 4K RAM CUSICK NAMED WD's NEW VP Signetics Corp. has announced it will begin A. B. Phillips, president and chairman of sampling its 4096-bit RAM this month. The Western Digital Corp. has announced the ap 22-pin device has a speed of 300 ns and oper pointment of Paul M. Cusick as vice-president ates at 5 V. The device is compatible with of finance and treasurer for the MaS/LSI in both TI's and Intel's devices. tegrated circuits manufacturer. Cusick re The company says they should be in full places Lawrence J. Alves, who recently re production by June. signed to accept a position with another firm., Reporting to Cusick will be the Corporate PEOPLE, LITERATURE AND EVENTS: Accounting, Purchasing and Budget Control de partments. SIEMEN'S BID FOR EUROPEAN MARKET ROCKWELL To PUSH STANDARD PRODUCTS A major wafer fabrication facility for MaS integrated circuits has been opened in Munich, Rockwell International's new marketing Germany by the West German firm, Siemens. vice-president at the Microelectronic Device The plant will manufacture production quan division~ Daniel P. Del Frate, is realigning tities of ROM, RAM, PROM and an unannounced the company's marketing effort. The company microprocessor kit. Production will originally will be moving from custom t-o standard MaS be with standard metal-gate P-channel devices, and he is preparing the division for the move. with ion implantation being used when neces In contrast to economic indications of a sary for low threshold circuits. A P-channel flat or negative year, Del Frate expects LSI silicon-gate technology will be used for some to increase 10 to 12 per cent. Microproces memory devices. N-channel silicon-gate tech sors, he feels, will increase anywhere from nology will soon be used. 50 to 60 per cent. Included in the RAMs to be manufactured is To aid small users, he plans to increase a 4096-bit RAM, both dynamic and static. the company's internal applications effort Siemens is planning, at a future date, to threefold and to add a number of manufactur manufacture devices using charged-coupled de er's rep organizations and distrobutors by vices technology (CCD) and MNOS non-volatile year end. A second-source 4096-bit RAM and memories. a 1103A memory device will be the division's first standard product entries. NCR's SECOND MICROELECTRONICS PLANT EDN ~p DESIGN SERIES NCR has revealed plans to establish a mi croelectronics production facility in Colorado EDN magazine is currently offering reprints Springs, CO. of their 1974 "EDN Microprocessor Design The 15,000 square-foot plant will manufac Series". The series includes 14 EDN articles ture various types of microelectronic circuits in full color, a condensed recap of EDN's com used in NCR computers and other electronic prehensive "Microprocessor Market Study" and business machines produced by the company. a complete "Microprocessor Directory." The Production will begin in a newly leased directory is a complete listing of all micro facility by the fourth quarter of 1975, with processors currently a~ailable. Price for 35 employees. It is anticipated that employ the entire 112 page package is $6.95. Payment ment will increase to over 100 the following must accompany each o~der and no CaDs will be year. accepted. The Colorado Springs plant will complement a similar facility established by NCR three years ago at Miamisburg, OR.

cI~:- 2368-C WALSH AVE_, SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 13 Volume 1, Number 81 February, 1975 in Brussels on July 2-7 at the Brussels MICROCOMPUTER STRUCTURES Sheraton. Dr. Collins, president of ICS, explained Microcomputer Associates Inc. has available that the "Educational Congress" consists of a a new 50 page report titled "Microcomputer combination of four educational/informational StructUX"es". Contents include microprocessor components: 1) A week-long series of inten introduction, microprocessor chip technology sive short courses on microcomputer and mini including semiconductor processes and chip computer hardware, software and systems level logic organization, and an excellent summary concepts, 2) "An Invitational Microcomputer ... and block diagram of over 20 current micro Applications Symposium", 3) "A Microcomputer/ I processors. Minicomputer Manufacturers' Seminar" and 4) This paper is a reprint of slides from a an educational hardware demonstration of many one day tutorial on microcomputer structures major microcomputer and minicomputer systems. presented by Manny R. Lemas and Ray M. Holt According to Dr. Collins, the key component at the 2nd Annual Symposium on Computer of the congress is the series of intensive Architecture. A unique collection of informa short courses, each taught by professional tion covering microprocessor organization and lecturers who have practical hands on experi architecture. The price is $25 (1), $20 (2- ence in their subject. The lectures are de 10), and $15 (10 or more). signed to form a coherent currriculum and are backed up by a comprehensive set of notes and EUROPEAN MICRO ORGANIZATION documentation. The courses offered include: Euromicro, the European Association for o "A Manager-Level Overview of Micropro Microprocessing, publishes quarterly, for cessors and Microcomputers" 1 day members, a newsletter covering activities of $185 interest in the field of microprogramming and o "Microprocessors/Microcomputers" 2 microprocessing. Two issues thus far have cov days $305 ered subjects such as Microcomputer Systems: o "Software Development for Microcomput A Survey; Microprogramming and Microcontrol: ers" 2 days $305 A Hardware Definition; and Microprogramming o "Advanced Microcomputer Applications" and Microprocessing in Europe: A Status Report.. 2 days $325 Membership is open to all persons and in o "Minicomputer System Development" 2 stitutions active in the microprocessing days $305 field. Annual membership is $7. Subscription o "Minicomputer Real Time Software and and newsletter manuscripts can be sent to Advanced Applications" 2 days $325 Prof. Rodney Zaks, Chairman, Universite de "The Invitational Microcomputer Applica Technologie de Compiegne, BP233, 60206 Com tions Symposium" (l·day, $60 to course atten piegne, France or Prof. M. Sami, Editor, dees) consists of papers presented by expert Politencnico Instituto di Elettronica, Piazza users from academic or engineering environ Leonardo Da Vinci, 32-30 133 Milano, Italy. ments. "The Microcomputer Manufacturer's Seminar" THE ICS ~C EDUCATIONAL CONGRESS (1 day, $60 to course attendees) will consist of brief technical descriptions by representa Integrated Computer Systems, Inc., a firm tives of major vendors of microcomputers. active in giving microcomputer courses in Speakers from Intel, Motorola, National, Rock North America, Europe and the Middle East, has well and others will describe technical as recently announced three International Educa pects of their products, current applications tional Congresses on Microprocessors/Micro and future trends. A similar seminar will be computers and Minicomputers. The congresses held on minicomputers. will be held in Paris on April 1-8 at the HThe Microcomputer/Minicomputer Hardware Tour Olivier de Serres; in Washington D.C. Educational Demonstrations" will provide at on May 5-10 at the Sheraton Inn; and tendees the opportunity to view working hard ware from ma'or microcom uter vendors. (no cost)

&~; 2368-C WALSH AVE., SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 14 Volume 1, Number 81 February, 1975 o SUMMARY DATA--Current information on each RECENT LITERATURE microprocessor is presented in summary form. The following information is pro Microprocessor Field Survey and Data Book vided for each processor. AH Systems, Inc. General--Word length, technology, cycle The AH Systems, Inc. Microprocessor Field time, cycle time/shortest instruction, Survey and Data Book is a compact reference power, and configuration. volume that provides microprocessor theory, Instruction Set--Number of instructions, configurations, costs, advantages and disad number of bytes/instruction, micropro vantages to the circuit designer, and includes grammable, addressing modes, decimal comparisons aimed to answer the question arithmetic capability, push down stack "Which microprocessor is the most cost effec description, and interrupt capability. tive for my specific application?" This re Overhead Circuitry--Requirements, T21 port is intended to provide business and in compatibility, manufacturer supplied dustry with the most current, comprehensive chips, and start-up conditions. and reliable information on the following Memory--Memory addressing capability and subjects: DMA capability. Microprocessors Semiconductor Memories Support Items--Hardware and software. Microcomputers Programming Aids Availability--Samples and Production LSI Technology Software Support General Comments 1SI Computer Systems Interface Chips Marketing Approach This data allows more objective comparisons Recent Announcements of various microprocessors, their character Major Advertised Customers istics and costs. New revisions are issued Second Sources Status quarterly in January, April, July and October Military Specification Conformance- of each year. The updating service provides Specifications and reliability data. details on the current state-of-the-art and Literature Available from Manufacturer significant new developments in the field of Support Material Included microprocessors, systems and LSI Technology. In addition, detailed information is pro- AH Systems' Microprocessor Field Survey vided when available for: contains four sections. o System Architecture o EXECUTIVE SUMMARY--Condensed data in o Actual Instruction Sets brief presentation form, directly ori o Support Items ented to the business manager, program o Benchmark Program Listing manager, design engineer, chief engineer, An outstanding feature of the AH Systems software specialists and others inter report is the set of benchmarks which have ested in a brief overview of the micro been programmed for ten of the microprocessors. processor field with a comparative analy A complete set of benchmark results are pre sis of each device. sented in both tabular and graphic form. o INTRODUCTION--General description of the The price of the AH Systems report is $495 survey, the basic parameters of micro and includes the quarterly updates. In addi processors and baseline system data. tion to the report, AH Systems provides con o MICROPROCESSOR SURVEY--The survey con sulting services including systems and soft tains comparisons of the currently avail ware development, training courses and semi able and/or announced microprocessors as nars, market research and analysis, and other a function of key parameters. Over 20 related services. microprocessors are discussed. Areas covered include: # # # # Selection Parameters Hardware Support Technologies Software Support Next month Microcomputer Digest will Benchmark Programs Second Sourcing feature the book, "Microcomputer Design", Instruction Sets by Martin Research Ltd.

&~; 2368-C WALSH AVE_, SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 15 Volume 1, Number 81 February, 1975 "When Your System's Data Rates Differ, It's Not all microcomputers are endowed with in Time For A Microprocessor" terrupt-enable and interrupt disable instruc J. S. Byrd, DuPont tions to permit nested interrupts. Hence, EDN November 20, 1974 Mr. Risch suggests how to design a counter to ---The author has summed DuPont's realtime monitor and keep track of the number of times TDS-DAS system developed for the U.S. Atomic a microcomputer executes these instructions. Energy Commission. The microcomputer (Control Logic's L-Series using Intel's 8008) is used "Single-Chip Microprocessor Employs Minicom to handle and control asynchronous data trans puter Word Length" mission from a Telemetered Data System (TDS) George F. Reyling, Jr., National Semiconductor to a Data Acquisition System (DAS). An in Electronics December 26, 1974 depth description of the application is given The article is an in-depth discussion of along with several tips for developing a mi PACE, National's most recent microcomputer crocomputer-based product. entry. PACE (Processing And Control Element) was "EDN's First Annual Microprocessor Directory, designed by National to overcome an 8-bit 1974" microcomputer's cumbersome method of handling Robert H. Cushman, Special Features Editor 16-bit instructions. The single chip PACE EDN November 20, 1974 not only handles 16-bit instruction and ad ---Fifteen microprocessors are summarized on dress processing, but also provides the user small file cards to allow easy comparison of with the option of either 8- or 16-bit data both microcomputer hardware and software fea processing. tures. Price and availability are also indi Two applications, a card-reader controller cated. Each system's architecture is pictured and an electronic cash register, are dis using the topology EDN has been using through cussed to illustrate the PACE microcomputer's out the year. The index card also includes capabilities. information on system bussing, hardware and An excellent article and highly recommended software support available from the manufac for readers desiring additional material after turer, purchasing information, and a break reading Microcomputer Digest's January story down of the instruction set into four basic on PACE. categories. These include data manipulation, data movement, program manipulation and pro "Printer Control: A Minor Task For A Fast gram status manipulation instructions. Microprocessor" Al Moore, Mark Eidson, Motorola Semiconductor "Newest uP's Split Into Two Divergent Paths" Electronic Design 25 December 6, 1974 Robert H. Cushman, Special Features Editor Since printer control is such a minor task EDN December 20, 1974 for a high-performance microcomputer such as ---A brief discussion of six machines, Nation the Motorola M6800, Mr. Moore and Mr. Eidson al's PACE, General Instrument's CP-1600, illustrate how to use the MPU to control seven Western Digital's MPS-1600, Fairchild's F-8, to ten additional peripherals while still per Mostek's 5065, and Rockwell's PPS-8. The forming the executive function. The article-is article mainly compares their computer archi a carefully detailed description of an appli tecture and classification. A major portion cation involving a Seiko AN-IOIF printer and of space is given to National's PACE micro Motorola's microprocessor chip and PIA (Peri computer as it is the latest entry and the pheral Interface Adapter). The key to de first CPU to feature a 16-bit wide ALU in a signing with the MPU is to fully describe single chip. the functions to be controlled by the MPU and decide on an optional tradeoff between "Counter Keeps Track of Microprocessor Inter external circuitry and MPU use. The article rupts" not only presents an excellent application Douglas M. Risch, Woodard Governor Co. but also provides a very worthwhile working Electronics December 26, 1974 description of the MPU and PIA.

&tI~ 2368-C WALSH AVE., SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; _ DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 16 Volume 1, Number 8 I February, 1975 12-14 International Solid-State Circuits EDUCATION: Conference Philadelphia, PA SSC Council MICROCOMPUTER COURSES, SEMINARS, CONFERENCES. Date, title, cost, location, sponsoring orga 12-14 Microprocessors and Systems Applica tions $350 Philadelphia, PA Automata nization (addresses on page 17). Information Services' February 12-14 Microprocessor Product Survey $395 San Francisco, CA and New York, NY 3- 5 Microprocessors and Systems Applications Microcomputer Technique, Inc. $350 Saddlebrook, NJ Automata Informa tion Services 17-19 Intel MCS40 Workshop $350 Boston, MA and San Jose, CA Intel Corp. 3- 5 Intel MCS80 Workshop $350 Boston, MA and San Jose, CA Intel Corp. 17-19 Microprocessors/Microcomputers $410 Atlanta, GA Integrated Computer Sys- 4- 6 Microprocessor Design Course $250 tems, Inc. Palo Alto, CA Pro-Log Corp. 18-20 Computer Science Conference 1975 4- 7 Minicomputers/Microcomputers $425 Washington, DC ACM Dallas, TX Integrated Computer Systems, Inc. 18-21 Minicomputers/Microcomputers $425 Vienna, Austria Integrated Computer 5- 7 Microprocessors/Microcomputers $410 Systems, Inc. Barcelona, Spain Integrated Computer Systems, Inc. 19-21 Microprocessor Design Course $250 Chicago, IL Pro-Log Corp. 5- 7 Microcomputers/Microprocessors in In strumentation Systems Louisiana State 24-26 How to Design Microprocessor Systems University $425 New York, NY and San Francisco, CA Microcomputer Technique, Inc. 10-11 How to Write Software $275 New York, NY and San Francisco, CA Microcomputer 24-27 Minicomputers and Microprocessors Technique, Inc. $395 Zurich, Switzerland Technology Service Corp. 10-12 1976 Computer Science Conference Anaheim, CA ACM 25-27 COMPCON SPRING San Francisco, CA Contact: Compata, Inc., L. D. Amdahl 10-12 Intel PL/M Workshop $395 Boston, MA 25-27 Microprocessors/Microcomputers $410 and San Jose, CA Intel Corp. Washington, DC Integrated Computer 11 Microcomputer Programming Laboratory Systems, Inc. (6 week course) $350 University of 27-28 How to Program Microprocessors $275 Santa Clara New York, NY and San Francisco, CA 11-13 Microprocessors/Microcomputers $410 Microcomputer Technique, Inc. London, England Integrated Computer Systems, Inc. March 11-13 Nepcon '75 West and International Micro 3- 5 Intel MCS80 Workshop $350 Boston, MA electronics Exhibition Anaheim, CA and San Jose, CA Intel Corp. Contact: Industrial Scientific Confer 4- 6 Microprocessors/Microcomputers $410 ence Management, Inc. Boston, MA Integrated Computer Sys 12-14 How to Select a Microprocessor $395 tems, Inc. New York, NY and San Francisco, CA 10-11 How to Write Software $275 Boston, MA Microcomputer Technique, Inc. and Chicago, IL Microcomputer Tech nique, Inc.

&~; 2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247·8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 17 Volume 1, Number 8 I February, 1975 March 14-16 How to Design Microprocessor Systems 10-11 Microprocessor ICs Los Angeles, CA $425 Philadelphia, PA Microcomputer Electronic Engineering Times Technique, Inc. 10-12 Intel PL/M Workshop $395 Boston, MA 16-18 How to Select a Microprocessor $395 and San Jose, CA Intel Corp. Toronto, Onto Microcomputer Technique, 11-12 Industrial Applications of Microproces Inc. sors Philadelphia, PA IEEE Contact: 17-18 How to Program Microprocessors $275 Robert Mayer, Sun Oil Co. Philadelphia, PA Microcomputer Tech nique, Inc. 11-13 Microprocessors/Microcomputers $410 Detroit, MI Integrated Computer Sys 21-23 How to Design Microprocessor Systems tems, Inc. $425 Toronto, Onto Microcomputer Technique, Inc. 12-14 How to Select a Microprocessor $395 Boston, MA and Chicago, IL Microcom 21-23 Micro, Mini G Midicomputer Systems puter Technique, Inc. Structure, Implementation and Applica tions Chicago, IL AIIE Seminars 17-19 How to Design Microprocessor Systems $425 Boston, MA and Chicago, IL 22-24 The Society for Information Display Microcomputer Technique, Inc. International Symposia Washington, DC 17-19 Intel MCS40 Workshop $350 Boston, MA 24-25 How to Program Microprocessors $275 and San Jose, CA Intel Corp. Toronto, Onto Microcomputer Technique, Inc. 17-19 Micro, Mini G Midicomputer Systems Structure, Implementation and Applica 30- 2 Workshop on the Advanced Architecture tion Washington, DC AIlE Seminars and Application of Microcomputers Pacific Grove, CA Fairchild Systems 18-20 Microprocessors/Microcomputers $410 Seattle, WA Integrated Computer Sys SPONSORING ORGANIZATIONS AND CONTACTS Tems, Inc. ACM, 1133 Avenue of the Americas, New York, 20-21 How to Program Microprocessors $275 NY 10036 (212) 265-6300 Boston, MA and Chicago, IL Microcom puter Technique, Inc. AIlE Seminars, Dept. K, P. O. Box 25116, Los Angeles, CA 90025 (213) 826-7572 25-28 Minicomputers/Microcomputers $425 Copenhagen, Denmark Integrated Com Automata Information Services, Automata Sys puter Systems, Inc. tems Corp., 254-10 Northern Blvd., Little Neck, NY 11363 (212) 423-7149 April Compata, Inc., L. D. Amdahl, 6150 Canoga Ave., 7- 8 How to Write Software $275 Philadel Woodland Hills, CA 91364 (213) 884-5400 phia, PA Microcomputer Technique, Inc. Electronic Engineering Times, Integrated Cir 7- 9 Micro, Mini G Midicomputer Systems cuit Applications Conference, 280 Community Structure, Implementation and Applica Dr., Great Neck, NY 11021 (516) 829-5880 tion Chicago, IL AIlE Seminars Fairchild Systems, Theodore A. Laliotis, 4001 9-11 How to Select a Microprocessor $395 Miranda Ave., Palo Alto, CA 94304 (415) Philadelphia, PA Microcomputer Tech 998-0123 nique, Inc. Industrial Scientific Conference Management, 14-15 How to Write Software $275 Toronto, Inc., 222 West Adams St., Chicago, IL 60606 Ont Microcomputer Technique, Inc. (312) 263-4855

&~~ 2368-C WALSH AVE_, SANTA CLARA, CA 95050 - (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 18 Volume 1, Number 81 February, 1975 SPONSORING ORGANIZATIONS AND CONTACTS Intel 1974 1973 % Integrated Computer Systems, Inc., 4445 Over Dec. 31 land Ave., Culver City, CA 90230 (213) Share Earnings $.44 $.61 -27.9 559-9265 Earnings 2,997K 4,049K -26.0 Sales 31,284K 24,130K +29.6 Intel Corp., Microcomputer Systems Training Year Program, 3065 Bowers Ave., Santa Clara, CA Share Earnings $2.96 $1.41 +110.0 95051 (408) 246-7501 Earnings 19,776K 9,214K +114.6 Louisiana State University, Dr. J. L. Hilburn, Sales 134,456K 66,170K +103.1 Electrical Engineering Dept., Baton Rouge, LA 70803 (504) 388-5241 Nat'l Semiconductor 1974 1973 % Microcomputer Associates Inc., 2368-C Walsh Dec. 15 Ave., Santa Clara, CA 95050 (408) 247-8940 Share Earnings $.27 $.32 +18.5 Earnings 3,335K 3,827K +14.8 Microcomputer Technique, Inc., 11227 Handle Sales 48,283K 55,061K +14.0 bar Rd., Reston, VA 22091 (803) 620-9676 6 months Pro-Log Corp., 852 Airport Rd., Monterey, CA Share Earnings $.60 $.77 +28.3 93940 (408) 372-4593 Earnings 7,313K 9,353K +27.9 Sales 100,337K 130,181K +29.5 SSC Council, Philadelphia Section, University of Pennsylvania, Philadelphia, PA 19100 RCA 1974 1973 % Sun Oil Co., Robert Mayer, Bishop Hollow Rd., Dec. 31 Newtown Square, PA 19073 (215) 356-1800 Share Earnings $.21 $.70 -70.0 Technology Service Corp., 225 Santa Monica Earnings 16,600K 53,400K -68.8 Blvd., Santa Monica, CA 90401 (213) 451-8778 Sales 1,219M 1,184M +2.9 Year The Society for Information Display Interna Share Earnings $1.45 $2.39 -39.3 tional Symposia, 664 Sepulveda Blvd., Los Earnings 113,300K 183,700K -38.3 Angeles, CA 90049 Sales 4,627M 4,281M +8.1 University of Santa Clara, Div. of Continuing Education, Santa Clara, CA 95053 (408) Rockwell Int'l 1974 1973 % 984-4518 Dec. 31 Share Earnings $.64 $.96 -33.3 FINANCIAL: Earnings 22,238K 28,889K -23.0 Sales 1,189M 908M +31.0 EARNINGS Signetics 1974 1973 % Fairchild 1974 1973 % Dec 29 Dec. 29 Share Eranings $.91 $.00 N/R Share Earnings $.79 $2.17 -63.6 Earnings 4,604K ~5,585K -221.3 4,129K 12,142K -65.9 Earnings Sales 29,930K 19,631K -34.4 104,817K -22.5 Sales 81,127K Year Year Share Earnings $2.28 $.00 N/R $7.51 -33.4 Share Earnings $5.00 Earnings 10,123K -3,876K -138.2 41,159K -34.2 Earnings 27,032K Sales 98,274K 120,836K +22.8 Sales 395,552K 361,568K +9.2

2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247-8940 . Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, NY. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; && DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. MICROCOMPUTER DIGEST 19 Volume 1, Number 81 February, 1975 Intersil, Inc., 10900 N. Tantau Ave., Cuper BARTLETT To REP ZENTEC tino, CA 95014 (408) 257-5450 Microcomputer Associates Inc., 2368-C Walsh Zentec Corp. appointed Bartlett Associates, Ave., Santa Clara, CA 95050 (408) 247-8940 Inc. to represent its intelligent terminal product line in New York, Washington D.C., Micro Networks Corp., 324 Clark St., Worces New Jersey, Maryland, Delaware, and Pennsylva ter, MA 01606 (617) 852-5400 nia. Microtech Data Systems, 1141 E. Janis St., According to Dennis Daniels, Zentec market Carson, CA 90746 (213) 659-1715 ing vice-president, "The agreement with Bartlett Associates culminates three months MITS, Inc., 6328 Linn N.E., Albuquerque, NM of discussions with several East Coast repre~ 87108 (505) 265-7553 sentative firms." Daniels added, "We are MI2 Data Systems, 930 Kinnear, Columbus, OH both pleased and excited to have a firm of 43200 (614) 481-8881 Bartlett's reputation representing our company. They were our first choice right from the be Mostek, 1215 W. Crosby Rd., Carrollton, TX ginning." Daniels noted that Zentec is build 75006 (214) 242-0444 ing a direct sales force in the West, but will National Cash Register, 5225 Springboro Pike, continue to utilize representatives in the Dayton, OH 45439 (513) 449-2000 East during the foreseeable future. Zentec is an OEM supplier of CRT intelli National Semiconductor Corp., 2900 Semicon gent programmable terminals utilizing micro ductor Dr., Santa Clara, CA 95051 (408) computer technology. 732-5000 RCA Solid State Div., Route 202, Somerville, COMPANY INDEX: NJ 08876 (201) 722-3200 Rockwell International, 3370 Miraloma Ave., Action Communications Systems, 10300 N. Cen Anaheim, CA 92803 (213) 647-5000 tral, Bldg. 4, Dallas, TX 75231 (214) 750-3000 Sanders Associates, Inc., Daniel Webster H~T South, Nashua, NH 03060 (603) 885-2810 AH Systems, Inc., 9710 Cozycroft Ave., Chats worth, CA 91311 (213) 998-0223 Signetics Corp., 811 E. Arques Ave., Sunny vale, CA 94086 (408) 739-7700 Applied Systems Corp., 26401 Hasper St., St. Clair Shores, MI 48081 (313) 779-8700 Videonics, Inc., 2405 De La Cruz Blvd., Santa Clara, CA 95050 (408) 246-9520 Auerbach, 121 N. Broad St., Philadelphia, PA 19107 (215) 491-8200 Western Digital Corp., 3128 Red Hill Ave., Newport Beach, CA 92663 (714) 557-3550 C. A. Pullen and Associates, 10683 Cranks Rd., Culver City, CA 90230 (213) 836-2271 Zentec Corp., 2368-C Walsh Ave., Santa Clara, CA 95050 (408) 246-7662 Data Translation Inc., 109G Concord St., Framingham, MA 01701 (617) 879-3595 PUBLICATIONS INDEX: Digital Products Corp., 4028 Northeast 6th Ave., Fort Lauderdale, FL 33334 (305) 565-0521 EDN Microprocessor Design Series $6.95 Microprocessor Reprints, EDN Magazine, 221 Fairchild Systems Technology Div., 3500 Deer Columbus Ave., Boston, MA 02116 Creek Rd., Palo Alto, CA 94304 (415) 493-5011 Microcomputer Structures $25, $20 (2-9 Integrated Computer Systems, 44 Lt5 Overland copies), $15 (10 or more) Microcomputer Ave., Culver City, CA 90230 (213) 559-9265 Associates Inc., 2368-C Walsh Ave., Santa Intel Corp., 3065 Bowers Ave., Santa Clara, Clara, CA 95051 (408) 247-8940 CA 95051 (408) 246-7501

cI~; 2368-C WALSH AVE., SANTA CLARA, CA 95050 • (408) 247·8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rocheste(, N.Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, ApplicationsTechnical Advisor; DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor. NEW RATES EFFECTIVE MARCH 1, 1975 $28 1 YEAR o BILL ME 0 BILL MY COMPANY

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2368-C WALSH AVE" SANTA CLARA, CA 95050 • (408) 247-8940 Published monthly by Microcomputer Associates, Inc., BOB FULLER, 114 Glenmont Dr., Rochester, N,Y. 14617, Eastern M. R. Lemas, President. Subscription $60.00 per year. Correspondent; RAY HOLT, Applications Technical Advisor; clcl DARRELL D. CROW, Editor; LILLIAN LAU, Associate Editor; MANNY LEMAS, Applications Technical Advisor.