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
SMARTMOS
TM
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.
Features
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High-Performance M68HC908EY16 Core
16 K Bytes of On-Chip Flash Memory
512 Bytes of RAM
Internal Clock Generation Module
Two 16-bit, 2-Channel Timers
10-Bit Analog-to-Digital Converter
LIN Physical Layer
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
LIN
VREFH
VDDA
EVDD
VDD
VREFL
VSSA
EVSS
VSS
RST
RST_A
IRQ
IRQ_A
SS
PTB1/AD1
RXD
PTE1/RXD
PTD1/TACH1
FGEN
BEMF
PTD0/TACH0/BEMF
VSUP
908E425
H-BRIDGE POWER SUPPLY WITH
EMBEDDED MCU AND LIN
DWB SUFFIX
98ASA10712D
54-PIN SOICWB-EP
ORDERING INFORMATION
Device
MM908E425AIDWB
Temperature
Range (T
A
)
0擄C to 85擄C
Package
54 SOICW EP
908E425
HB1
M
HB2
HB3
HB4
HS
High-Side
Output
HVDD
H1
H2
H3
PA1
PORT A I/OS
PORT B I/OS
PORT C I/OS
Switchable Internal
V
DD
Output
Three
2-Terminal Hall-Effect
Sensor Inputs
Analog Input with
Current Source
Microcontroller
Ports
M
M
4 Half-Bridges
Controlling
3 Loads
GND
2
EP
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.
漏 Freescale Semiconductor, Inc., 2006. All rights reserved.
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