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MPC5604P Controller Board User’s Guide, Rev. 0
Interface Description
Freescale
10
2,4,6,8,10
Shield
—
PWM signals shield
(grounded on the power
stage side only)
—
12,13
GND_D
—
Digital power supply
ground
—
14,15
+5V DC
—
+5V digital power supply
—
17,18
AGND
—
Analog power supply
ground
—
19
+12/+15V DC
—
Analog power supply
—
16,20,27,28,37
NC
—
Not connected
—
21
V
DC
BUS
B[13]
DC-bus voltage
sensing, 0V – 3.3V,
ADC1 channel 0
Analog input
22
I
DC
BUS
B[15]
DC-bus current sensing,
0V – 3.3V, ADC1
channel 2
Analog input
23
I
A
B[9]
Phase A current
sensing, 0V – 3.3V,
ADCx channel 11
Analog input
24
I
B
B[10]
Phase B current
sensing, 0V – 3.3V,
ADCx channel 12
Analog input
25
I
C
B[11]
Phase C current
sensing, 0V – 3.3V,
ADCx channel 13
Analog input
26
TEMP
B[7]
Analog temperature 0V
– 3.3V, ADC0 channel 0
Analog input
29
BRAKE_CONT
EIRQ#22
DC-bus brake control
Digital output
30
SERIAL
D[5]
Serial interface
Digital bi-directional
31
PFC
PWM_A3
Power factor correction
PWM
Digital output
32
PFCEN
PWM_B3
Power factor correction
enable
Digital output
33
PFCZC
PWM_X3
Power factor correction
Zero-cross
Digital input
34
ZCA
D[9] or A[0]
Phase A Back-EMF
zero crossing
Digital input
35
ZCB
D[12] or A[1]
Phase B Back-EMF
zero crossing
Digital input
Table 3. Motor 1 - UNI-3 Signal Description
Interface Pin
Signal Name
MCU Signal
Description
Direction