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33910

LIN System Basis Chip with High Side Drivers

Freescale Semiconductor 

Freescale Semiconductor

Advance Information

MC33910G5AC/MC3433910G5AC

Document Number: MC33910

Rev. 8.0, 3/2010

LIN System Basis Chip with High

Side Drivers

The 33910G5/BAC is a Serial Peripheral Interface (SPI) controlled

System Basis Chip (SBC), combining many frequently used functions

in an MCU based system, plus a Local Interconnect Network (LIN)

transceiver. The 33910 has a 5.0 V, 50 mA/60 mA low dropout

regulator with full protection and reporting features. The device

provides full SPI readable diagnostics and a selectable timing

watchdog for detecting errant operation. The LIN Protocol Specification

2.0 and 2.1 compliant LIN transceiver has waveshaping circuitry that

can be disabled for higher data rates.

Two 50 mA/60 mA high side switches with optional pulse-width

modulated (PWM) are implemented to drive small loads. One high

voltage input is available for use in contact monitoring, or as external

wake-up input. This input can be used as high voltage Analog Input.

The voltage on this pin is divided by a selectable ratio and available via

an analog multiplexer.

The 33910 has three main operating modes: Normal (all functions

available), Sleep (VDD off, wake-up via LIN, wake-up inputs (L1), cyclic

sense and forced wake-up), and Stop (VDD on with limited current

capability, wake-up via CS, LIN bus, wake-up inputs, cyclic sense,

forced wake-up and external reset).

The 33910 is compatible with LIN Protocol Specification 2.0, 2.1, and

SAEJ2602-2.

Features

• Full-duplex SPI interface at frequencies up to 4.0 MHz

• LIN transceiver capable of up to 100 kbps with wave shaping

• Two 50 mA/60 mA high side switches

• One high voltage analog/logic Input

• Configurable window watchdog

• 5.0 V low drop regulator with fault detection and low voltage reset

(LVR) circuitry

• Switched/protected 5.0 V output (used for Hall sensors)

• Pb-free packaging designated by suffix code AC

33910

SYSTEM BASIS CHIP WITH LIN

2ND GENERATION

AC SUFFIX (Pb-FREE)

98ASH70029A

32-PIN LQFP

ORDERING INFORMATION

Device

Temperature

Range (TA)

Package

MC33910G5AC/R2 -40°C to 125°C

MC34910G5AC/R2

MC33910BAC/R2

-40°C to 85°C

- 40°C to 125°C

32-LQFP

MC34910BAC/R2

-40°C to 85°C

* See Page 2 for Device Variations

VBAT

33910

VS1

VSENSE

VS2

HS1

L1

MCU

VDD

PWMIN

ADOUT0

MOSI

MISO

SCLK

CS

RXD

TXD

IRQ

RST

LIN

HVDD

HS2

WDCONF

LIN INTERFACE

Figure 1. 33910 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

© Freescale Semiconductor, Inc., 2009 - 2010. All rights reserved.

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