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Freescale Semiconductor Electronic Components Datasheet

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
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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 Electronic Components Datasheet

908E425 Datasheet

Integrated Quad Half H-Bridge

No Preview Available !

908E425 pdf
BLOCK DIAGRAM
BLOCK DIAGRAM
GND1-2
VSUP1-3
RST_A
IRQ_A
BEMF
FGEN
LIN
RXD
SS
PTE1/RXD
PTD1/TACH1
PTD0/TACH0
PTB1/AD1
RST
IRQ
VREFL
VSSA
EVSS
EVDD
VDDA
VREFH
908E425
2
Figure 2. 908E425 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor



Freescale Semiconductor Electronic Components Datasheet

908E425 Datasheet

Integrated Quad Half H-Bridge

No Preview Available !

908E425 pdf
PIN CONNECTIONS
PIN CONNECTIONS
PTB7/AD7/TBCH1
PTB6/AD6/TBCH0
PTC4 /OSC1
PTC3 /OSC2
PTC2 / MCLK
PTB5 /AD5
PTB4 /AD4
PTB3 /AD3
IRQ
RST
PTB1/AD1
PTD0 / TACH0 / BEMF
PTD1/TACH1
NC
FGEN
BEMF
RST_A
IRQ_A
SS
LIN
NC
NC
HB1
VSUP1
GND1
HB2
VSUP2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Exposed
Pad
54 PTA0/KBD0
53 PTA1/KBD1
52 PTA2/KBD2
51 FLSVPP
50 PTA3/KBD3
49 PTA4/KBD4
48 VREFH
47 VDDA
46 EVDD
45 EVSS
44 VSSA
43 VREFL
42 PTE1/RXD
41 RXD
40 VSS
39 PA1
38 VDD
37 H1
36 H2
35 H3
34 HVDD
33 NC
32 HB4
31 VSUP3
30 GND2
29 HB3
28 HS
Figure 3. 908E425 Pin Connections (Transparent Package Top View)
Table 1. 908E425 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 14.
Pin Function
Pin
Pin Name
Formal Name
Definition
MCU
MCU
MCU
MCU
1
PTB7/AD7/TBCH1
Port B I/Os
These pins are special-function, bidirectional I/O port pins that
2 PTB6/AD6/TBCH0
are shared with other functional modules in the MCU.
6 PTB5/AD5
7 PTB4/AD4
8 PTB3/AD3
11 PTB1/AD1
3
PTC4/OSC1
Port C I/Os
These pins are special-function, bidirectional I/O port pins that
4 PTC3/OSC2
are shared with other functional modules in the MCU.
5 PTC2/MCLK
9 IRQ External Interrupt This pin is an asynchronous external interrupt input pin.
Input
10
RST
External Reset
This pin is bidirectional, allowing a reset of the entire system. It
is driven low when any internal reset source is asserted.
MCU
MCU
12 PTD0/TACH0/BEMF
13 PTD1/TACH1
14, 21, 22, 33
NC
42 PTE1/RXD
Port D I/Os
No Connect
Port E I/O
These pins are special-function, bidirectional I/O port pins that
are shared with other functional modules in the MCU.
Not connected.
This pin is a special-function, bidirectional I/O port pin that can
is shared with other functional modules in the MCU.
MCU
43
48
VREFL
VREFH
ADC References
These pins are the reference voltage pins for the analog-to-
digital converter (ADC).
908E425
Analog Integrated Circuit Device Data
Freescale Semiconductor
3




Part Number 908E425
Description Integrated Quad Half H-Bridge
Maker Freescale Semiconductor
Total Page 30 Pages
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