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908E624

Integrated Triple High-Side Switch with Embedded MCU and LIN Serial Communication for Relay Drivers

Motorola => Freescale 

Freescale Semiconductor

Technical Data

Integrated Triple High-Side

Switch with Embedded MCU

and LIN Serial Communication

for Relay Drivers

The 908E624 is an integrated single-package solution that

includes a high-performance HC08 microcontroller with a

SMARTMOSTM analog control IC. The HC08 includes flash memory,

a timer, enhanced serial communications interface (ESCI), an

analog-to-digital converter (ADC), serial peripheral interface (SPI)

(only internal), and an internal clock generator module. The analog

control die provides three high-side outputs with diagnostic functions,

voltage regulator, watchdog, operational amplifier, and local

interconnect network (LIN) physical layer.

The single-package solution, together with LIN, provides optimal

application performance adjustments and space-saving PCB design.

It is well suited for the control of automotive high-current motors

applications using relays (e.g., window lifts, fans, and sun roofs).

Features

• High-Performance M68HC908EY16 Core

• 16 K Bytes of On-Chip Flash Memory

• 512 Bytes of RAM

• Internal Clock Generator Module

• Two 16-Bit, 2-Channel Timers

• 10-Bit Analog-to-Digital Converter (ADC)

• LIN Physical Layer Interface

• Low Dropout Voltage Regulator

• Three High-Side Outputs

• Two Wake-Up Inputs

• 16 Microcontroller I/Os

MM908E624

Internal Rev 4.0, 12/2004

908E624

TRIPLE HIGH-SIDE SWITCH WITH

EMBEDDED MCU AND LIN

DW SUFFIX

98ASA99294D

54-TERMINAL SOICW

ORDERING INFORMATION

Device

Temperature

Range (TA)

Package

MM908E624ACDWB/R -40°C to 85°C 54 SOICW

VBAT

LIN

Interface

+5.0 V

Microcontroller

Ports

LIN

VREFH

VDDA

EVDD

VCC

VDD

VSUP1

VREFL

VSSA

EVSS

AGND

GND

RxD

PTE1/RxD

RSTB

RSTB_A

IRQB

IRQB_A

PTD0/TACH0

PWMin

PTA0−4

PTB1;3−7

PTC2−4

PTD1/TACH1

VSUP2 HS3

L1

L2

HS1

HS2

+E

OUT

-E

WDCONF

M

To Microcontroller A/D Channel

Figure 1. 908E624 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., 2004. All rights reserved.

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