TWR-56F8400 User’s Manual
Page 11 of 35
Motor Control Connector J501 Pin Out
Pin
#
MC56F84789 DSC Signal
Pin
#
MC56F84789 DSC Signal
17 GPIOC4/TA1/CMPB_O/XB_IN8/EWM_OUT_B 18
GPIOB0/ANB0&CMPB_IN3
(With 100 ohm, 2200 pf low pass filter)
19
GPIOC6/TA2/XB_IN3/CMP_REF
20
GPIOB1/ANB1&CMPB_IN0
(With 100 ohm, 2200 pf low pass filter)
21
GPIOC15/SCL0/XB_OUT5
22
GPIOB2/ANB2&VREFHB&CMPC_IN3
(With 100 ohm, 2200 pf low pass filter)
23
GPIOC14/SDA0/XB_OUT4
24
GND
25
TDI /GPIOD0
26
GPIOE7/PWMA_3A/XB_IN5/PWMB_2A
27
TDO/ GPIOD1
28
GPIOE6/PWMA_3B/XB_IN4/PWMB_2B
29
TCK/GPIOD2
30
GPIOE3/PWMA_1A
31
TMS /GPIOD3
32
GPIOE2/PWMA_1B
33
GPIOB3/ANB3&VREFLB&CMPC_IN0
(With 100 ohms in series)
34
GPIOE5/PWMA_2A/XB_IN3
35
GPIOB4/ANB4&ANC12&CMPC_IN1
(With 100 ohms in series)
36
GPIOE4/PWMA_2B/XB_IN2
37
GPIOB5/ANB5&ANC13&CMPC_IN2
(With 100 ohms in series)
38
GPIOA4/ANA4&ANC8&CMPD_IN0
(With 100 ohms in series)
39
GPIOB6/ANB6&ANC14&CMPB_IN1
(With 100 ohms in series)
40
GPIOA5/ANA5&ANC9
(With 100 ohms in series)
2.3.5
Auxiliary Connectors
In addition to the motor control connector the TWR-56F8400 board also provides two auxiliary
connectors (J502 and J503) on the bottom of the board. These connectors provide access to the
MC56F84789 DSC signals that are not covered by the motor control connector. Those pins associated
with analog inputs have 100 ohm resistors in series to provide some ESD protection for the analog
inputs of the DSC. The connector pin out is shown in Table 5.
Table 5.
Auxiliary Connector J502 Pin Out
Auxiliary Connectors J502 and J503 Pin Out
Pin
#
MC56F84789 DSC Signal
Pin
#
MC56F84789 DSC Signal
J50
2-1
GPIOF0/XB_IN6/TB2/SCK1
J50
2-2
GPIOA6/ANA6&ANC10
(With 100 ohms in series)
J50
2-3
GPIOF1/CLKO1/XB_IN7/CMPD_O
J50
2-4
GPIOA7/ANA7&ANC11
(With 100 ohms in series)