Check Pins to be reserved

Select Peripherals

Selcet input peripherals

External Interrupt 4 (INT4)
Timer2 External Clock (T2CK)
Input Capture 4 (IC4)
SPI 1 Slave Sync (!SS1)
REFCLK1
External Interrupt 3 (INT3)
Timer3 External Clock (T3CK)
Input Capture 3 (IC3)
!U1CTS
UART 2 Receive (U2RX)
SPI 1 In (SDI1)
External Interrupt 2 (INT2)
Timer4 External Clock (T4CK)
Input Capture 1 (IC1)
Input Capture 5 (IC5)
UART 1 Receive (U1RX)
!U2CTS
SPI 2 In (SDI2)
OCFB
External Interrupt 1 (INT1)
Timer5 External Clock (T5CK)
Input Capture 2 (IC2)
SPI 2 Slave Sync (!SS2)
OCFA

Selcet output peripherals

UART 1 Transmit (U1TX)
!U2RTS
SPI 1 Slave Sync (SS1)
Output Compare 1 (OC1)
Comparator 2 Out (C2OUT)
SPI 1 Data Out (SDO1)
SPI 2 Data Out (SDO2)
Output Compare 2 (OC2)
Comparator 3 Out (C3OUT)
Output Compare 4 (OC4)
Output Compare 5 (OC5)
REFCLKO
!U1RTS
UART 2 Transmit (U2TX)
!SPI 2 Slave Sync (!SS2)
Output Compare 3 (OC3)
Comparator 1 Out (C1OUT)

Assignment or Error Message

Peripherals to Pins Mapping Info

Input Peripherals	Output Peripherals	Pins
INT4, T2CK, IC4, !SS1, REFCLK1	U1TX, !U2RTS, SS1, OC1, C2OUT	Pin2, Pin7, Pin11, Pin16, Pin26
INT3, T3CK, IC3, !U1CTS, U2RX, SDI1	SDO1, SDO2, OC2, C3OUT	Pin3, Pin5, Pin14, Pin17, Pin22
INT2, T4CK, IC1, IC5, U1RX, !U2CTS, SDI2, OCFB	SDO1, SDO2, OC4, OC5, REFCLKO	Pin6, Pin9, Pin12, Pin15, Pin24
INT1, T5CK, IC2, !SS2, OCFA	!U1RTS, U2TX, !SS2, OC3, C1OUT	Pin4, Pin10, Pin18, Pin21, Pin25

*Note: peripherals can be mapped to any pin on the same line.

PPS_PIC32