MC33989PEG Freescale Semiconductor, MC33989PEG Datasheet

MC33989PEG

Manufacturer Part Number

MC33989PEG

Description

SBC-HS

Manufacturer

Freescale Semiconductor

Datasheet

1.MC33989PEG.pdf (70 pages)

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Freescale Semiconductor

Technical Data

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

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

System Basis Chip with

High Speed CAN Transceiver

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 1.0 Mbaud

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

• V

• V2: Tracking function of V

• Low stand-by current consumption in Stop and Sleep modes

• High speed 1.0 MBaud CAN physical interface

• Four external high voltage wake-up inputs associated with HS1

• 150 mA output current capability for HS1 V

• V

• 40 V maximum transient voltage

The 33989 is a monolithic integrated circuit combining many

temperature detection, monitoring, and reset function

bipolar ballast transistor for high flexibility in choice of peripheral

voltage and current supply

of external switches pull-up resistors or relays

DD1

BAT

SUP

: Low drop voltage regulator, current limitation, over-

: Total current capability 200 mA

switch

failure detection

DD1

MCU

regulator. Control circuitry for external

SCLK

MOSI

MISO

5.0 V

Figure 1. MC33989 Simplified Application Diagram

SPI

BAT

switch allowing drive

VDD

GND

RST

INT

SCLK

MOSI

MISO

33989

V2CTRL

CANH

VSUP

CANL

HS1

MC33989PEG/R2

PWR

Wake-up Inputs

Device

Local Module Supply

Safe Circuits

Twisted

Pair

ORDERING INFORMATION

WITH HIGH SPEED CAN

EG SUFFIX (PB-FREE)

SYSTEM BASIS CHIP

98ASB42345B

28-PIN SOICW

33989

CAN Bus

Document Number: MC33989

Temperature

- 40 to 125 °C

Range (T

)

Rev. 14.0, 3/2011

28 SOICW

Package

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