PSD4000 Series PSD4135G2 Flash In-System-Programmable Peripherals for 16-Bit MCUs November, 2000 Preliminary Information 47280 Kato Road, Fremont, California 94538 Tel: 510-656-5400 Fax: 510-657-8495 800-832-6974 Web Site: http://www.psdst.com E-mail: [email protected] PSD4000 Series PSD4135G2 Flash In-System-Programmable Peripherals for 16-Bit MCUs Table of Contents Introduction ........................................................................................................................................................................................1 In-System Programming (ISP) JTAG .......................................................................................................................................2 In-Application re-Programming (IAP) .......................................................................................................................................2 Key Features......................................................................................................................................................................................3 PSD4000 Family ................................................................................................................................................................................3 Block Diagram....................................................................................................................................................................................4 Architectural Overview .......................................................................................................................................................................5 Memory ....................................................................................................................................................................................5 PLDs.........................................................................................................................................................................................5 I/O Ports ...................................................................................................................................................................................5 Microcontroller Bus Interface....................................................................................................................................................5 ISP via JTAG Port ....................................................................................................................................................................6 In-System Programming (ISP) .................................................................................................................................................6 In-Application re-Programming (IAP) .......................................................................................................................................6 Page Register...........................................................................................................................................................................6 Power Management Unit..........................................................................................................................................................6 Development System.........................................................................................................................................................................7 Pin Descriptions .................................................................................................................................................................................8 Register Description and Address Offset.........................................................................................................................................11 Register Bit Definition ......................................................................................................................................................................12 Functional Blocks.............................................................................................................................................................................15 Memory Blocks.......................................................................................................................................................................15 Main Flash and Secondary Flash Memory Description ...................................................................................................15 SRAM...............................................................................................................................................................................26 Memory Select Signals ....................................................................................................................................................26 Page Register ..................................................................................................................................................................29 Memory ID Registers .......................................................................................................................................................30 PLDs.......................................................................................................................................................................................31 Decode PLD (DPLD)........................................................................................................................................................33 General Purpose PLD (GPLD).........................................................................................................................................33 Microcontroller Bus Interface..................................................................................................................................................36 Interface to a Multiplexed Bus..........................................................................................................................................36 Interface to a Non-multiplexed Bus..................................................................................................................................36 Data Byte Enable Reference ...........................................................................................................................................38 Microcontroller Interface Examples..................................................................................................................................39 I/O Ports .................................................................................................................................................................................44 General Port Architecture ................................................................................................................................................44 Port Operating Modes......................................................................................................................................................44 Port Configuration Registers (PCRs) ...............................................................................................................................48 Port Data Registers..........................................................................................................................................................49 Ports A, B and C – Functionality and Structure ...............................................................................................................50 Port D – Functionality and Structure ................................................................................................................................51 Port E – Functionality and Structure ................................................................................................................................51 Port F – Functionality and Structure ................................................................................................................................52 Port G – Functionality and Structure................................................................................................................................52 For additional information, Call 800-832-6974 Fax: 510-657-8495 Web Site: http://www.psdst.com E-mail: [email protected] i PSD4000 Series PSD4135G2 Flash In-System-Programmable Peripherals for 16-Bit MCUs Table of Contents Power Management ...............................................................................................................................................................53 Automatic Power Down (APD) Unit and Power Down Mode ...........................................................................................53 Other Power Savings Options..........................................................................................................................................57 Reset and Power On Requirement ..................................................................................................................................58 Programming In-Circuit using the JTAG-ISP Interface...........................................................................................................59 Standard JTAG Signals ...................................................................................................................................................60