IRMCF143_15 Datasheet, PDF (32/35 Pages) International Rectifier – High Performance Position Servo Control IC

IRMCF143
Pin
Number
31
Pin Name
CMEXT
32
AREF
33
IFBV-
34
IFBV+
35
IFBVO
36
AVSS
37
VDDCAP
38
VDD1
39
VSS
40
P3.1/AO2/MT3
41
PWMWL
42
PWMVL
43
PWMUL
44
PWMWH
45
P3.7
46
P2.1
47
P3.6
48
PWMVH
49
PWMUH
50
P1.5
51
BRAKE
52
BRAKEGK
53
GATEKILL
54
P3.0/CS1
55
TMS /P5.2
56
TDO
57
TDI /P5.1
58
TCK
59
RESET
60
P1.1/RXD
61
P1.2/TXD
62
HALL-1/P3.4/T0
63
HALL-2/P3.5/T1
64
HALL-3/P3.3/INT1
Internal Pull- Pin
up / down Type
Description
--
O
Unbuffered 0.6V output. Capacitor needs to be
connected.
--
O
Analog reference voltage output (0.6V)
--
I Op amp negative input for V phase current sensing, 0-
1.2V range
--
I Op amp positive input for V phase current sensing, 0-
1.2V range
--
O
Op amp output for V phase current sensing, 0-1.2V
range
--
P
Analog common
--
P
Internal 1.8V output, Capacitor(s) to be connected
--
P
--
P
3.3V digital power
Digital common
--
58 kΩ Pull
down
58 kΩ Pull
down
I/O Discrete programmable I/O or PWM 2 digital output or
MCE pin timer 3 output
O
PWM gate drive for phase W low side, configurable
either high or low true.
O
PWM gate drive for phase V low side, configurable
either high or low true
58 kΩ Pull
O
PWM gate drive for phase U low side, configurable
down
either high or low true
58 kΩ Pull
O
PWM gate drive for phase W high side, configurable
down
either high or low true
--
I/O
Discrete programmable I/O
--
I/O
--
I/O
Discrete programmable I/O
Discrete programmable I/O
58 kΩ Pull
O
PWM gate drive for phase V high side, configurable
down
either high or low true
58 kΩ Pull
O
down
I/O
70 kΩ Pull up O
70 kΩ Pull up I
70 kΩ Pull up I
PWM gate drive for phase U high side, configurable
either high or low true
Discrete programmable I/O.
Brake output, configured low true at a power up
Brake shutdown input, active low input.
PWM shutdown input, configurable digital filter, active
low input.
70 kΩ Pull up I/O
Discrete programmable I/O or SPI Chip Select 1
--
I
JTAG test mode select or digital input port
--
O
JTAG test data output
--
I
--
I
JTAG test data input or digital input port
JTAG test clock
--
I
Reset, low true, Schmitt trigger input
--
I/O
UART receiver input or Discrete programmable I/O
--
I/O UART transmitter output or Discrete programmable I/O
--
I/O
Hall-1 input or discrete programmable I/O or
Timer/Counter 0 input
--
I/O
Hall-2 input or discrete programmable I/O or
Timer/Counter 1 input
--
I/O Hall-3 input or discrete programmable I/O or Interrupt
1 input
Table 22. Pin List
32 www.irf.com
© 2015 International Rectifier
February 4,2015