User manual
Basys MX3™ Board Reference Manual 
Copyright Digilent, Inc. All rights reserved. 
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Page 53 of 56 
Appendix 3: Basys MX3 Pinout 
The following table details the Basys MX3 pinout, showing the following information: 
  Pin #, Full Pin Name: The number and the name of the microcontroller pin, as in the microcontroller 
datasheet pin. 
  Peripheral: The Basys MX3 peripheral that uses this pin. 
  Schematic Name: the name of the pin in the schematic. 
  PPS: The PPS remapping function of this pin. 
  Function: The available function(s) of this pin. 
Pin # 
Full Pin Name 
Peripheral 
Schematic 
Name 
PPS 
Function 
1 
RG15 
SSD 
CE 
RG15 
2 
VDD 
POWER 
VCC3V3 
3 
AN22/RPE5/PMD5/RE5 
LCD 
DB5 
I/O 
PMD5 
4 
AN23/PMD6/RE6 
LCD 
DB6 
PMD6 
5 
AN27/PMD7/RE7 
LCD 
DB7 
PMD7 
6 
RPC1/RC1 
PMOD 
JA2 
I/O 
SDO2/U3TX/IC3/T2CK/INT3/OC3 
7 
RPC2/RC2 
PMOD 
JA1 
I/O 
SS2/U3CTS/IC1/T3CK/INT1/OC1/O
C2 
8 
RPC3/RC3 
PMOD 
JA7 
I/O 
INT2/U1CTS/U2CTS/IC2/IC5/T4CK/
OC5 
9 
RPC4/CTED7/RC4 
PMOD 
JA3 
I/O 
SDI2/U3RX/IC4/T5CK/INT4/OC4 
10 
AN16/C1IND/RPG6/SCK2/
PMA5/RG6 
PMOD 
JA4 
I/O 
SCK2/U3RTS/IC2/IC5/T4CK/INT2/O
C5 
11 
AN17/C1INC/RPG7/PMA4
/RG7 
PMOD 
JA8 
I/O 
INT4/U1TX/U2TX/IC4/T5CK/OC4 
12 
AN18/C2IND/RPG8/PMA3
/RG8 
PMOD 
JA9 
I/O 
IC3/T2CK/INT3/U1RX/U2RX/OC3 
13 
MCLR 
PROGRAM/
DEBUG 
PIC32_MCL
R 
14 
AN19/C2INC/RPG9/PMA2
/RG9 
PMOD 
JA10 
I/O 
IC1/T3CK/INT1/U1RTS/U2RTS/OC1
/OC2 
15 
VSS 
POWER 
GND 
16 
VDD 
POWER 
VCC3V3 
17 
TMS/CTED1/RA0 
LEDS 
LED0 
RA0 
18 
RPE8/RE8 
MOTOR 
AIN2 
I/O 
OC2/RE8 
19 
RPE9/RE9 
MOTOR 
BIN1 
I/O 
OC5/RE9 
20 
AN5/C1INA/RPB5/RB5 
MOTOR 
BIN2 
I/O 
OC3/RB5 
21 
AN4/C1INB/RB4 
MICROPHO
NE 
A_MIC 
AN4/C1INB 
22 
PGED3/AN3/C2INA/RPB3/
RB3 
MOTOR 
AIN1 
I/O 
OC4/RB3 
23 
PGEC3/AN2/C2INB/RPB2/
CTED13/RB2 
POTENTIOM
ETER 
AIC 
I/O 
AN2/C2INB 










