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908E626 Datasheet(PDF) 4 Page - Freescale Semiconductor, Inc

Part No. 908E626
Description  Integrated Stepper Motor Driver with Embedded MCU and LIN Serial Communication
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Maker  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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908E626 Datasheet(HTML) 4 Page - Freescale Semiconductor, Inc

 
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Analog Integrated Circuit Device Data
4
Freescale Semiconductor
908E626
TERMINAL CONNECTIONS
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
Terminals
These terminals are the ground and power supply terminals,
respectively. The MCU operates from a single power supply.
MCU
49
50
52
53
54
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
Port A I/Os
These terminals are special-function, bidirectional I/O port terminals
that are shared with other functional modules in the MCU.
MCU
51
FLSVPP
Test Terminal
For test purposes only. Do not connect in the application.
Analog
15
FGEN
Current Limitation
Frequency Input
This is the input terminal for the half-bridge current limitation PWM
frequency.
Analog
16
BEMF
Back Electromagnetic
Force Output
This terminal gives the user information about back 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
19
SS
Slave Select
This terminal is the SPI slave select terminal for the analog chip.
Analog
20
LIN
LIN Bus
This terminal represents the single-wire bus transmitter and receiver.
Analog
23
26
29
32
HB1
HB2
HB3
HB4
Half-Bridge Outputs
This device includes power MOSFETs configured as four half-bridge
driver outputs. These outputs may be configured for step motor
drivers, DC motor drivers, or as high-side and low-side switches.
Analog
24
27
31
VSUP1
VSUP2
VSUP3
Power Supply
Terminals
These terminals are device power supply terminals.
Analog
25
30
GND1
GND2
Power Ground
Terminals
These terminals are device power ground connections.
Analog
34
HVDD
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
38
VDD
Voltage Regulator
Output
The +5.0 V voltage regulator output terminal is intended to supply
the embedded microcontroller.
Analog
40
VSS
Voltage Regulator
Ground
Ground terminal for the connection of all non-power ground
connections (microcontroller and sensors).
Analog
41
RXD
LIN Transceiver
Output
This terminal is the output of LIN transceiver.
EP
Exposed Pad
Exposed Pad
The exposed pad terminal on the bottom side of the package
conducts heat from the chip to the PCB board.
Table 1. 908E626 TERMINAL DEFINITIONS
A functional description of each terminal can be found in the Functional Terminal Description section beginning on page 14.
Die
Terminal
Terminal Name
Formal Name
Definition


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