User manual
Basys MX3™ Board Reference Manual 
Copyright Digilent, Inc. All rights reserved. 
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Page 48 of 56 
T4CK 
T4CKR 
T4CKR<3:0> 
0010 = RPB8 
0011 = RPB15 
0100 = RPD4 
0101 = RPB0 
0110 = RPE3 
0111 = RPB7 
1000 = Reserved 
1001 = RPF12 
1010 = RPD12 
1011 = RPF8 
1100 = RPC3 
1101 = RPE9 
1110 = Reserved 
1111 = RPB2 
IC2 
IC2R 
IC2R<3:0> 
IC5 
IC5R 
IC5R<3:0> 
U1CTS 
U1CTSR 
U1CTSR<3:0> 
U2CTS 
U2CTSR 
U2CTSR<3:0> 
SS1 
SS1R 
SS1R<3:0> 
Peripheral Pin 
[pin name]R SFR 
[pin name]R bits 
[pin name]R Value to RPn Pin Selection 
INT1 
INT1R 
INT1R<3:0> 
0000 = RPD1 
0001 = RPG9 
0010 = RPB14 
0011 = RPD0 
0100 = RPD8 
0101 = RPB6 
0110 = RPD5 
0111 = RPB2 
1000 = RPF3 
1001 = RPF13 
1010 = Reserved 
1011 = RPF2 
1100 = RPC2 
1101 = RPE8 
1110 = Reserved 
1111 = Reserved 
T3CK 
T3CKR 
T3CKR<3:0> 
IC1 
IC1R 
IC1R<3:0> 
U3CTS 
U3CTSR 
U3CTSR<3:0> 
U4RX 
U4RXR 
U4RXR<3:0> 
U5RX 
U5RXR 
U5RXR<3:0> 
SS2 
SS2R 
SS2R<3:0> 
OCFA 
OCFAR 
OCFAR<3:0> 










