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33742 33742S Advance Information System Basis Chip 查询MC33742DWR2供应商Freescale Semiconductor,捷多邦，专业PCB打样工厂，24小时加急出货 Inc. MOTOROLA Document order number: MC33742 SEMICONDUCTOR TECHNICAL DATA Rev 2.0, 10/2004 Advance Information 33742 33742S System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver SYSTEM BASIS CHIP WITH ENHANCED The 33742 and the 33742S are monolithic integrated circuits combining HIGH-SPEED CAN many functions frequently used by automotive environmental control units (ECUs). The 33742 is an SBC having a fully protected fixed 5.0 V low-drop regulator with current limit, overtemperature pre-warning, and reset. An output drive with . sense input is also provided to implement a second 5.0 V regulator, using an . external PNP bipolar junction transistor. The 33742 has normal, standby, stop, c and sleep modes, an internally switched high-side power supply output with n four wake-up inputs, programmable window watchdog, interrupt, reset, SPI I input control, and a high-speed CAN transceiver compatible with CAN 2.0 A , and B protocols for module-to-module communication. r DW SUFFIX o Features CASE 751F-05 t • High-Speed 1.0 Mbps CAN Interface with Bus Diagnostic Capability 28-TERMINAL SOICW c (Detection of CANH and CANL Short to Ground, to VDD, and to VSUP) u • Low-Drop Voltage 5.0 V, 200 mA V Regulator with Current-Limiting, d DD ORDERING INFORMATION n Overtemperature Pre-Warning, and Output Monitoring with Reset Temperature o • Additional 5.0 V Regulator with External Series Pass Transistor Device Package Range (TA) c • Normal, Standby, Stop, and Sleep Modes with Low Sleep and Stop i Mode Current MC33742DW/R2 -40°C to 125°C 28 SOICW • 150 mA High-Side Switch Output for Control of External Circuitry m MC33742SDW/R2 • Four External Wake-Up Inputs e • Software-Programmable Watchdog Window, Interrupt, and Reset S e l 33742 Simplified Application Diagram a V PWR c s 3374233742 V 2 e 5.0 V VDD VSUP e r MCU F V2CTRL RST V2 VPWR CS CS L0 SCLK SCLK L1 SPI MOSI MOSI L2 MISO MISO L3 WDOG Safe Circuitry INT HS ECU Local Supply TXD CANH Twisted CAN Bus RXD CANL Pair GND GND This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Motorola, Inc. 2004 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Table 1. Significance Device Differences Motorola Part No. Reset Duration Device Differences See Page 33742 15 ms (typical) The duration of the reset mode, in which the RST terminal is asserted low, is 15 ms 15 typical. Reset mode is entered after device power up, when a VDD undervoltage condition occurred and if the watchdog register is not properly triggered. 33742S 3.5 ms (typical) The duration of the reset mode, in which the RST terminal is asserted low, is 3.5 ms 15 typical. Reset mode is entered after device power up, when a VDD undervoltage condition occurred and if the watchdog register is not properly triggered. c n V2CTRL V2 I , r VSUP Monitor o VSUP Dual Voltage Regulator CAN t V Monitor 5.0 V/200 mA Supply c DD VDD u Mode Control d HS Control n Oscillator HS o INT c Interrupt i L0 Watchdog WDOG Reset Programmable RST m L1 Wake-Up Input e L2 MOSI S SCLK L3 SPI MISO e CS l V2 a c High-Speed 1.0 Mbps CANH TXD s CAN CANL RXD Physical Interface e GND e r F Figure 1. 33742 Simplified Internal Block Diagram 33742 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 2 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. RXD 1 28 WDOG TXD 2 27 CS VDD 3 26 MOSI RST 4 25 MISO INT 5 24 SCLK GND 6 23 GND GND 7 22 GND GND 8 21 GND GND 9 20 GND V2 10 19 CANL V2CTRL 11 18 CANH VSUP 12 17 L3 HS 13 16 L2 L0 14 15 L1 . TERMINAL DEFINITIONS c A functional description of each terminal can be found in the System/Application Information section beginning on page 18. n Terminal I Terminal Formal Name Definition Name , r 1RXD Receive Data CAN bus receive data output o t 2TXD Transmit Data CAN bus transmit data input c 3VDD Voltage Digital Drain 5.0 V regulator output terminal. u d 4 RST Reset Output This is the device reset output whose main function is to reset the MCU. This terminal (Active LOW) has an internal pull-up current source to V n DD o 5 INT Interrupt Output This output is asserted LOW when an enabled interrupt condition occurs. The output c (Active LOW) is a push-pull structure. i 6–9 GND Ground Ground of the IC. These terminals are connected to the package lead frame in order to m 20–23 provide a thermal path. e 10 V2 Voltage Source 2 Sense input for V2 regulator using external ballast. V2 is also the internal supply for the S CAN cell. e 11 V2CTRL l Voltage Source 2 Control Output driver for the external ballast transistor. a 12 VSUP Voltage Supply Supply input for the complete device. c 13 HS High-Side Output Output of internal high-side switch. Current capability is internally limited to 150 mA. s e 14–17 L0–L3 Level 0 –3 Inputs Input interfaces to external circuitry (switched or ICs). Levels at these terminals can be e read by SPI and input can be used as programmable wake-up input in Sleep or Stop r mode. F 18 CANH CAN High CAN high output. 19 CANL CAN Low CAN low output. 24 SCLK Serial Data Clock Clock input for the Serial Peripheral Interface (SPI) of the device. 25 MISO Master In/Slave Out SPI data sent to MCU. When CS is HIGH, terminal is high impedance. 26 MOSI Master Out/Slave In SPI data received by the 33742. 27 CS Chip Select Chip select terminal for SPI. When CS is LOW, device is selected. (Active LOW) 28 WDOG Watchdog Output Output of watchdog circuitry. Terminal is asserted LOW if software watchdog is not (Active LOW) correctly triggered. MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 33742 For More Information On This Product, 3 Go to: www.freescale.com Freescale Semiconductor, Inc. MAXIMUM RATINGS All voltages are with respect to ground unless otherwise noted. Rating Symbol Value Unit ELECTRICAL RATINGS Power Supply Voltage at VSUP Terminal VSUP V Continuous (Steady-State) -0.3 to 27 Transient Voltage (Load Dump) -0.3 to 40 Logic Inputs (RXD, TXD, MOSI, MISO, CS, SCLK, RST, WDOG, and INT VLOG -0.3 to VDD +0.3 V Terminals) Output Current at VDD Terminal IDD Internally Limited A HS Terminal Voltage VHS -0.3 to VSUP +0.3 V . Output Current I A . HS Internally Limited c ESD Voltage, Human Body Model (Note 1) VESD1 V n HS, L0, L1, L2, L3, CANH, CANL Terminals ±4000 I All Other Terminals ±2000 , r ESD Voltage, Machine Model (Note 2) VESD2 ±200 V o t L0, L1, L2, L3 Terminals c DC Input Voltage VDCIN -0.3 to 40 V u DC Input Current IDCIN ±2.0 mA d Transient Input Voltage with External Component (Note 3) VTRINEC ±100 V n P 1.0 W o Power Dissipation (Note 4) D c CANL and CANH Terminals i V -27 to 40 V Continuous Voltage CANH/L m 200 mA Continuous Current ICANH/L e CANH and CANL Transient Voltage (Load Dump) (Note 5) VLDH/L 40 V S CANH and CANL Transient Voltage (Note 6) V ±40 V TRH/L e l Notes a 1. ESD1 testing is performed in accordance with the Human Body Model (CZAP=100 pF, RZAP=1500 Ω). c 2. ESD2 testing is performed in accordance with the Machine Model (CZAP=200 pF, RZAP=0 Ω). s 3. Testing in accordance with ISO 7637-1. See also Figure 2. e 4. Maximum power dissipation at 85°C ambient temperature in free air with no heatsink, according to JEDEC JESD51-2 and JESD51-3 e specifications. r 5. Load dump test in accordance with ISO 7637-1. F 6. Transient test in accordance with ISO 7637-1. See also Figure 3. 33742 33742 1.0 nF 1.0 nF Transient Pulse CANH Transient Pulse Generator Generator Lx (Note) (Note) 10 kΩ CANL GND 1.0 nF GND GND GND Note Waveform per ISO 7637-1. Test Pulses 1, 2, 3a, and 3b. Note Waveform per ISO 7637-1. Test Pulses 1, 2, 3a, and 3b. Figure 2. ISO 7637 Test Setup for L0:L3 Inputs Figure 3. ISO 7637 Test Setup for CANH/CANL 33742 MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 4 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. MAXIMUM RATINGS (continued) All voltages are with respect to ground unless otherwise noted. Rating Symbol Value Unit THERMAL RATINGS Operating Temperature °C Ambient TA -40 to 125 -40 to 150 Junction TJ Storage Temperature TSTG -55 to 165 °C Thermal Resistance Junction to GND Terminals RθJG 20 °C/W Peak Package Reflow Temperature During Solder Mounting (Note 7) TSOLDER 240 °C Notes . 7. Terminal soldering temperature limit is for 10 seconds maximum duration. Not designed for immersion soldering. Exceeding these limits . may cause malfunction or permanent damage to the device. c n I , r o t c u d n o c i m e S e l a c s e e r F MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA 33742 For More Information On This Product, 5 Go to: www.freescale.com Freescale Semiconductor, Inc.
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