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33742S: DescriptionSystem Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver; File Size617KB，52 Pages; ManufacturerMotorola ( NXP ); Websitehttps://www.nxp.com

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System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver

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Freescale Semiconductor, Inc.

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Document order number: MC33742

Rev 2.0, 10/2004

Advance Information

System Basis Chip (SBC) with

Enhanced High-Speed CAN

Transceiver

The 33742 and the 33742S are monolithic integrated circuits combining

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,

and sleep modes, an internally switched high-side power supply output with

four wake-up inputs, programmable window watchdog, interrupt, reset, SPI

input control, and a high-speed CAN transceiver compatible with CAN 2.0 A

and B protocols for module-to-module communication.

Features

• High-Speed 1.0 Mbps CAN Interface with Bus Diagnostic Capability

(Detection of CANH and CANL Short to Ground, to V

, and to V

SUP

)

• Low-Drop Voltage 5.0 V, 200 mA V

Regulator with Current-Limiting,

Overtemperature Pre-Warning, and Output Monitoring with Reset

• Additional 5.0 V Regulator with External Series Pass Transistor

• Normal, Standby, Stop, and Sleep Modes with Low Sleep and Stop

Mode Current

• 150 mA High-Side Switch Output for Control of External Circuitry

• Four External Wake-Up Inputs

• Software-Programmable Watchdog Window, Interrupt, and Reset

33742

33742S

SYSTEM BASIS CHIP

WITH ENHANCED

HIGH-SPEED CAN

Freescale Semiconductor, Inc...

DW SUFFIX

CASE 751F-05

28-TERMINAL SOICW

ORDERING INFORMATION

Device

MC33742DW/R2

MC33742SDW/R2

Temperature

Range (T

)

-40°C to 125°C

Package

28 SOICW

33742 Simplified Application Diagram

PWR

33742

5.0 V

MCU

RST

SUP

V2CTRL

PWR

SCLK

MOSI

MISO

SPI

SCLK

MOSI

MISO

INT

WDOG

CANH

CANL

GND

Safe Circuitry

ECU Local

Supply

Twisted

Pair

CAN Bus

TXD

RXD

GND

This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

For More Information On This Product,

Go to: www.freescale.com

33742S Related Products

	33742S	33742	MC33742DWR2	MC33742	MC33742SDWR2	MC33742SDW	MC33742DW
Description	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver	System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver

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