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908E425 Datasheet

Integrated Quad Half H-Bridge

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908E425 pdf
Freescale Semiconductor
Advance Information
Document Number: MM908E425
Rev. 1.0, 8/2006
Integrated Quad Half H-Bridge
with Power Supply, Embedded
MCU, and LIN Serial
Communication
The 908E425 is an integrated single-package solution including 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 (ICG) module. The analog
control die provides fully protected H-Bridge/high-side outputs,
voltage regulator, autonomous watchdog with cyclic wake-up, 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 mirror, door lock, and
light-levelling applications.
908E425
H-BRIDGE POWER SUPPLY WITH
EMBEDDED MCU AND LIN
DWB SUFFIX
98ASA10712D
54-PIN SOICWB-EP
Features
• High-Performance M68HC908EY16 Core
• 16 K Bytes of On-Chip Flash Memory
• 512 Bytes of RAM
ORDERING INFORMATION
• Internal Clock Generation Module
• Two 16-bit, 2-Channel Timers
• 10-Bit Analog-to-Digital Converter
• LIN Physical Layer
Device
www.DataSheet4U.com
MM908E425AIDWB
Temperature
Range (TA)
Package
0°C to 85°C 54 SOICW EP
• Autonomous Watchdog with Cyclic Wakeup
• Three Two-Pin Hall-Effect Sensor Input Ports
• One Analog Input with Switchable Current Source
• Four Low RDS (ON) Half-Bridge Outputs
• One Low RDS (ON) High-Side Output
• 13 Micro Controller I/Os
3 908E425
LIN
VREFH
VDDA
EVDD
VDD
VSUP
VREFL
VSSA
EVSS
VSS
RST
RST_A
IRQ
IRQ_A
SS
PTB1/AD1
RXD
PTE1/RXD
PTD1/TACH1
FGEN
BEMF
PTD0/TACH0/BEMF
GND EP
HB1
HB2
HB3
HB4
HS
HVDD
H1
H2
H3
PA1
PORT A I/OS
PORT B I/OS
PORT C I/OS
M
M
M
4 Half-Bridges
Controlling
3 Loads
High-Side
Output
Switchable Internal
VDD Output
Three
2-Terminal Hall-Effect
Sensor Inputs
Analog Input with
Current Source
Microcontroller
Ports
2
Figure 1. 908E425 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., 2006. All rights reserved.
Freescale Semiconductor
Freescale Semiconductor



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