33904 datasheet(1/91 Pages) FREESCALE

Part #	33904

Description	System Basis Chip Gen2 with High Speed CAN and LIN Interface

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Document Number: MC33904_5

Rev. 3.0, 2/2010

Freescale Semiconductor

Advance Information

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

System Basis Chip Gen2 with High

Speed CAN and LIN Interface

The 33904/5 is the second generation family of System Basis Chips

which combine several features and enhance present module designs.

The device works as an advanced power management unit for the

MCU and additional integrated circuits such as sensors, CAN

transceivers. It has a built-in enhanced high speed CAN interface

(ISO11898-2 and -5), with local and bus failure diagnostics, protection,

and fail safe operation mode. The SBC may include one or two LIN 2.1

interfaces with LIN output pin switches. It includes up to 4 wake-up

input pins than can also be configured as output drivers for flexibility.

This device implements multiple Low Power modes, with very low-

current consumption. In addition, the device is part of a family concept

where pin compatibility, among the various devices with and without

LIN interfaces, add versatility to module design.

The 33904/5 also implements an innovative and advanced fail-safe

state machine and concept solution.

Features

• Protected 5.0V or 3.3V regulators for MCU (part number selectable)

and additional ICs (SPI configurable) with optional external PNP

usage to increase current capability for MCU.

• Fully-protected embedded 5.0 V regulator for the CAN driver

• Extremely low quiescent current in low power modes

• Multiple under-voltage detections to address various MCU

specifications and system operation modes (i.e. cranking)

• Multiple wake-up sources in low power modes: CAN or LIN bus, I/O

transition, automatic timer, SPI message, and VDD over-current

detection.

• Voltage, current and temperature protection with enhanced

diagnostics that can be monitored by system via MUX output

• ISO11898-5 high speed CAN interface compatibility for baud rates

of 40 kb/s to 1.0 Mb/s. LIN 2.1 and J2602 LIN interface compatibility

• Pb-free packaging designated by suffix code EK

Figure 1. 33905D Simplified Application Diagram

33904/5

33904

33905

EK SUFFIX (PB-FREE)

98ASA10556D

32-PIN SOIC EP

EK SUFFIX (PB-FREE)

98ASA10506D

54-PIN SOIC EP

ORDERING INFORMATION

Device

Temperature

Range (TA)

Package

PCZ33905D3EK/R2

-40°C to 125°C

54 SOIC EP

MCZ33905D5EK/R2

PCZ33905S3EK/R2

32 SOIC EP

MCZ33905S5EK/R2

PCZ33904A3EK/R2

MCZ33904A5EK/R2

SBC CAN GEN2

CS

SCLK

MOSI

INT

5V-CAN

VSUP1

I/O-0

I/O-1

MISO

RXD

TXD

CANL

CANH

GND

RST

DBG

VDD

SPLIT

VBAT

VB

Q1*

D1

VBAUX

SAFE

RXD-L1

TXD-L1

LIN-TERM 1

LIN-1

VE

Q2

(5.0 V/3.3 V)

VDD

VSUP2

VAUX

VCAUX

LIN-TERM 2

LIN-2

RXD-L2

TXD-L2

MUX-OUT

33905D

MCU

SPI

A/D

CAN Bus

LIN Bus

VSENSE

* = Optional

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Manufacturer	Part #	Datasheet	Description
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