PC33889

PASS3

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System Basis Chip Lite with Low

Speed Fault Tolerant CAN Interface

System Basis

Chip Lite

SILICON MONOLITHIC

INTEGRATED CIRCUIT

PIN CONNECTIONS

Simplified Block Diagram

ORDERING INFORMATION

Device

Operating

Temperature Range

Package

SO-28

PC33889DW

Vdd1

RX

CANH

Vsup

Rtl

CANL

SCLK

TX

GND

GND

GND

GND

GND

INTB

1

2

3

5

4

6

7

8

10

28

19

20

21

22

23

24

25

26

27

Rth

L1

Reset

L0

CSB

GND

11

12

14

9

13

18

17

15

16

MISO

MOSI

GND

HS1

GND

V2ctrl

WDOGB

V2

DW SUFFIX

PLASTIC PACKAGE

CASE 751F

SO-28

Semiconductor Technical Data

MOTOROLA

Order this document by APD Marketing

Rev 5.6, 23th July 02

© Motorola, Inc., 2002. All rights reserved.

This document contains information on a product under development. Motorola reserves the right

to change or discontinue this product without notice.

Programmable

SPI Interface

Dual Voltage Regulator

Vsup monitor

Vdd1 Monitor

HS1 control

Mode control

Reset

Watchdog

wake-up input

CSB

SCLK

MOSI

Reset

INTB

V2CTRL

Vdd1

HS1

Oscillator

V2

WDOGB

Vsup

V2

Interrupt

Vbat

Q1

L0

L1

MISO

Rxd

Txd

Low Speed 125Kbit/s

Physical Interface

CAN L

CAN H

Rrth

Rth

Rtl

Rrtl

Fault Tolerant CAN

Gnd

5V/200mA

CAN

supply

5V

5V/200mA

Vsup

The MC33889 is a monolithic integrated circuit combining many functions

frequently used by automotive ECUs. It incorporates a low speed fault tolerant

CAN physical interface.

Main features:

• Vdd1: 5V Low drop voltage regulator, current limitation, over temperature

detection, monitoring and reset function. Total current capability 200mA.

• V2: Tracking function of Vdd1 regulator. Control circuitry for external bipolar

ballast transistor for high flexibility in choice of peripheral voltage and current

supply.

• Four operational modes: normal, stand-by, stop and sleep modes.

• Low stand-by current consumption in stop and sleep modes

• Built in Low speed 125KBaud fault tolerant CAN physical interface,

compatible with Motorola MC33388.

• External high voltage wake-up input, associated with HS1 Vbat switch

• 150mA output current capability for HS1 Vbat switch allowing drive of external

switches pull up resistors or relays

• Vsup monitoring and failure detection

• DC Operating voltage from 5 to 27V

• 40V maximum transient voltage

• Programmable software time out and window watchdog

• Separate outputs for Watchdog time out signal (WDOGB) and Reset (Reset).

• Wake up capabilities: wake up input, programmable cyclic sense, forced

wake up, CAN interface, SPI (CSB pin) and stop mode over current.

• Interface with MCU through 4 Mhz SPI.

• SO28WB package with thermal enhanced lead frame.

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com