908E625 Datasheet PDF - Freescale Semiconductor

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908E625
Freescale Semiconductor

Part Number 908E625
Description Integrated Quad Half H-Bridge
Page 30 Pages


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Freescale Semiconductor
Technical Data
MM908E625
Rev 4.0, 09/2005
Integrated Quad Half H-Bridge
with Power Supply, Embedded
MCU, and LIN Serial
Communication
The 908E625 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.
908E625
H-BRIDGE POWER SUPPLY WITH
EMBEDDED MCU AND LIN
DWB SUFFIX
98ARL105910
54-TERMINAL SOICWB-EP
Features
www.DataSheet4U.com
• 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-Terminal 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
LIN
VREFH
VDDA
EVDD
VDD
3 908E625
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
2
ORDERING INFORMATION
Device
MM908E625ACDWB
Temperature
Range (TA)
-40°C to 85°C
Package
54 SOICW
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
Figure 1. 908E625 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., 2005. All rights reserved.



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INTERNAL BLOCK DIAGRAM
INTERNAL 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
908E625
2
Figure 2. 908E625 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor



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TERMINAL CONNECTIONS
TERMINAL 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. 908E625 Terminal Connections (Transparent Package Top View)
Table 1. 908E625 Terminal Definitions
A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 15.
Terminal
Function
Terminal
Terminal Name
Formal Name
Definition
MCU
1
PTB7/AD7/TBCH1
Port B I/Os
These terminals are special-function, bidirectional I/O port
2 PTB6/AD6/TBCH0
terminals that are shared with other functional modules in the
6 PTB5/AD5
MCU.
7 PTB4/AD4
8 PTB3/AD3
11 PTB1/AD1
MCU
MCU
MCU
MCU
3
PTC4/OSC1
Port C I/Os
These terminals are special-function, bidirectional I/O port
4 PTC3/OSC2
terminals that are shared with other functional modules in the
5 PTC2/MCLK
MCU.
9 IRQ External Interrupt Input This terminal is an asynchronous external interrupt input
terminal.
10
RST
External Reset
This terminal is bidirectional, allowing a reset of the entire
system. It is driven low when any internal reset source is
asserted.
12
PTD0/TACH0/BEMF
Port D I/Os
These terminals are special-function, bidirectional I/O port
13 PTD1/TACH1
terminals that are shared with other functional modules in the
MCU.
14, 21, 22, 33
NC
No Connect
Not connected.
Analog Integrated Circuit Device Data
Freescale Semiconductor
908E625
3



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TERMINAL CONNECTIONS
Table 1. 908E625 Terminal Definitions (continued)
A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 15.
Terminal
Function
Terminal
Terminal Name
Formal Name
Definition
MCU
42
PTE1/ RXD
Port E I/O
This terminal is a special-function, bidirectional I/O port terminal
that can is shared with other functional modules in the MCU.
MCU
43
48
VREFL
VREFH
ADC References
These terminals are the reference voltage terminals for the
analog-to-digital converter (ADC).
MCU
44
47
VSSA
VDDA
ADC Supply Terminals These terminals are the power supply terminals for the analog-
to-digital converter.
MCU
45
46
EVSS
EVDD
MCU Power Supply These terminals are the ground and power supply terminals,
Terminals
respectively. The MCU operates from a single power supply.
MCU
MCU
49
50
52
53
54
51
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
FLSVPP
Port A I/Os
These terminals are special-function, bidirectional I/O port
terminals that are shared with other functional modules in the
MCU.
Test Terminal
For test purposes only. Do not connect in the application.
Analog
15
FGEN
Current Limitation This is the input terminal for the half-bridge current limitation
Frequency Input and the high-side inrush current limiter PWM frequency.
Analog
16
BEMF
Back Electromagnetic This terminal gives the user information about back
Force Output
electromagnetic force (BEMF).
Analog
17
RST_A
Internal Reset
This terminal is the bidirectional reset terminal of the analog die.
Analog
18
IRQ_A
Internal Interrupt
Output
This terminal is the interrupt output terminal of the analog die
indicating errors or wake-up events.
Analog
Analog
19
20
SS
Slave Select
This terminal is the SPI slave select terminal for the analog chip.
LIN
LIN Bus
This terminal represents the single-wire bus transmitter and
receiver.
Analog
23
26
29
32
HB1 Half-Bridge Outputs This device includes power MOSFETs configured as four half-
HB2 bridge driver outputs. These outputs may be configured for step
HB3 motor drivers, DC motor drivers, or as high-side and low-side
HB4 switches.
Analog
Analog
Analog
Analog
24
27
31
25
30
28
34
VSUP1
VSUP2
VSUP3
GND1
GND2
HS
HVDD
Power Supply
Terminals
These terminals are device power supply terminals.
Power Ground
Terminals
These terminals are device power ground connections.
High-Side Output This output terminal is a low RDS(ON) high-side switch.
Switchable VDD Output This terminal is a switchable VDD output for driving resistive
loads requiring a regulated 5.0 V supply; e.g., 3-terminal Hall-
effect sensors.
Analog
Analog
35
36
37
38
H3
H2
H1
VDD
Hall-Effect Sensor These terminals provide inputs for Hall-effect sensors and
Inputs
switches.
Voltage Regulator The +5.0 V voltage regulator output terminal is intended to
Output
supply the embedded microcontroller.
Analog
39
PA1
Analog Input
This terminal is an analog input port with selectable source
values.
Analog
40
VSS
Voltage Regulator Ground terminal for the connection of all non-power ground
Ground
connections (microcontroller and sensors).
908E625
4
Analog Integrated Circuit Device Data
Freescale Semiconductor



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