The modulator signal can be supplied from the following sources selected with the SRCS bits:
| SRCS<4:0> | Connection |
|---|---|
| 11000-11111 | Reserved |
| 10111 | MSSP2 - SDO |
| 10110 | MSSP1 - SDO |
| 10101 | EUSART5 TX (TX/CK output) |
| 10100 | EUSART5 RX (DT output) |
| 10011 | EUSART4 TX (TX/CK output) |
| 10010 | EUSART4 RX (DT output) |
| 10001 | EUSART3 TX (TX/CK output) |
| 10000 | EUSART3 RX (DT output) |
| 01111 | EUSART2 TX (TX/CK output) |
| 01110 | EUSART2 RX (DT output) |
| 01101 | EUSART1 TX (TX/CK output) |
| 01100 | EUSART1 RX (DT output) |
| 01011 | CMP3 OUT |
| 01010 | CMP2 OUT |
| 01001 | CMP1 OUT |
| 01000 | PWM7 OUT |
| 00111 | PWM6 OUT |
| 00110 | CCP5 OUT |
| 00101 | CCP4 OUT |
| 00100 | CCP3 OUT |
| 00011 | CCP2 OUT |
| 00010 | CCP1 OUT |
| 00001 | MDBIT |
| 00000 | Pin selected by MDSRCPPS |