MCZ33989EG datasheet(1/66 Pages) FREESCALE

Part #	MCZ33989EG

Description	System Basis Chip with High-Speed CAN Transceiver

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

Document Number: MC33989

Rev. 13.0, 3/2007

Freescale Semiconductor

Technical Data

System Basis Chip with

High-Speed CAN Transceiver

The 33989 is a monolithic integrated circuit combining many

functions used by microcontrollers (MCU) found in automotive

Engine Control Units (ECUs). The device incorporates

functions such as: two voltage regulators, four high voltage

(wake up) inputs, a 1Mbaud capable CAN physical interface,

an SPI interface to the MCU and VSUP monitoring and fault

detection circuitry. The 33989 also provides reset control in

conjunction with VSUP monitoring and the watchdog timer

features. Also, an Interrupt can be generated, for the MCU,

based on CAN bus activity as well as mode changes.

Features

•VDD1: Low Drop Voltage Regulator, Current Limitation,

Overtemperature Detection, Monitoring, and Reset Function

•VDD1: Total Current Capability 200 mA

• V2: Tracking Function of VDD1 Regulator. Control Circuitry for

External Bipolar Ballast Transistor for High Flexibility in Choice of

Peripheral Voltage and Current Supply

• Low Stand-By Current Consumption in Stop and Sleep Modes

• High-Speed 1 MBaud CAN Physical Interface

• Four External High Voltage Wake-up Inputs Associated with HS1

VBAT Switch

• 150 mA Output Current Capability for HS1 VBAT Switch Allowing

Drive of External Switches Pull-Up Resistors or Relays

•VSUP Failure Detection

• 40 V Maximum Transient Voltage

• Pb Free designated by suffix code EG

Figure 1. MC33989 Simplified Application Diagram

SYSTEM BASIS CHIP

WITH HIGH-SPEED CAN

DW SUFFIX

EG SUFFIX (PB-FREE)

98ASB42345B

28-PIN SOICW

33989

ORDERING INFORMATION

Device

Temperature

Range (TA)

Package

MC33989DW/R2

-40°C to 125°C

28 SOICW

MCZ33989EG/R2

Twisted

Pair

CAN Bus

Wake-Up Inputs

Local Module Supply

Safe Circuits

33989

V2

MOSI

SCLK

MISO

SPI

CS

5.0 V

MCU

VPWR

CANH

CANL

L0

L1

L2

L3

HS1

WD

VDD1

INT

RST

MOSI

SCLK

MISO

TX

RX

GND

VSUP

V2CTRL

V2

CS

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