908E625_07 Datasheet, PDF (4/48 Pages) Freescale Semiconductor, Inc – Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication

PIN CONNECTIONS
Table 1. 908E625 Pin Definitions (continued)
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
42
PTE1/ RXD
Port E I/O
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).
MCU
44
47
VSSA
VDDA
ADC Supply pins
These pins are the power supply pins for the analog-to-digital
converter.
MCU
45
46
EVSS
EVDD
MCU Power Supply These pins are the ground and power supply pins, respectively.
Pins
The MCU operates from a single power supply.
MCU
49
50
52
53
54
MCU
51
PTA4/KBD4
PTA3/KBD3
PTA2/KBD2
PTA1/KBD1
PTA0/KBD0
FLSVPP
Port A I/Os
These pins are special-function, bidirectional I/O port pins that
are shared with other functional modules in the MCU.
Test Pin
For test purposes only. Do not connect in the application.
Analog
15
FGEN
Current Limitation This is the input pin for the half-bridge current limitation and the
Frequency Input high-side inrush current limiter PWM frequency.
Analog
16
BEMF
Back Electromagnetic This pin gives the user information about back electromagnetic
Force Output
force (BEMF).
Analog
17
RST_A
Internal Reset
This pin is the bidirectional reset pin of the analog die.
Analog
18
IRQ_A
Internal Interrupt
Output
This pin is the interrupt output pin of the analog die indicating
errors or wake-up events.
Analog
19
Analog
20
SS
Slave Select
This pin is the SPI slave select pin for the analog chip.
LIN
LIN Bus
This pin 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
24
27
31
Analog
25
30
Analog
28
Analog
34
VSUP1
VSUP2
VSUP3
GND1
GND2
HS
HVDD
Power Supply Pins These pins are device power supply pins.
Power Ground Pins These pins are device power ground connections.
High-Side Output This output pin is a low R_DS(ON) high-side switch.
Switchable V_DD Output This pin is a switchable V_DD output for driving resistive loads
requiring a regulated 5.0 V supply; e.g., 3-pin Hall-effect
sensors.
Analog
35
36
37
Analog
38
H3
H2
H1
VDD
Hall-Effect Sensor These pins provide inputs for Hall-effect sensors and switches.
Inputs
Voltage Regulator The +5.0 V voltage regulator output pin is intended to supply
Output
the embedded microcontroller.
Analog
39
PA1
Analog Input
This pin is an analog input port with selectable source values.
Analog
40
VSS
Voltage Regulator Ground pin for the connection of all non-power ground
Ground
connections (microcontroller and sensors).
Analog
41
RXD
LIN Transceiver Output This pin is the output of LIN transceiver.
–
EP
Exposed Pad
Exposed Pad
The exposed pad pin on the bottom side of the package
conducts heat from the chip to the PCB board.
908E625
4
Analog Integrated Circuit Device Data
Freescale Semiconductor