| 1 | - | - |  | N/A | VIN/External Power | 
| 2 | - | - | 28/40 | VDD | VCC3V3 | 
| 3 | - | - | - | N/A | USB5V0/External 5V Power for USB | 
| 4 | 4 | - | 1 | RPB9/SDA1/CTED4/PMD3/RB9 | OC3 | 
| 5 | 5 | - | 2 | RPC7/PMA0/RC7 |  | 
| 6 | 6 | J1-08 | 3 | RPC7/PMA0/RC7 |  | 
| 7 | 7 | J1-07 | 4 | RPC8/PMA5/RC8 | INT3 | 
| 8 | 8 | J1-10 | 5 | RPC9/CTED7/PMA6/RC9 |  | 
| 9 | - | - | 18 | MCLR | RESET | 
| 10 | 10 | - | 8 | PGED2/RPB10/CTED11/PMD2/RB10 | IC2 | 
| 11 | 11 | - | 9 | PGEC2/RPB11/PMD1/RB11 |  | 
| 12 | 12/A12 | - | 10 | AN12/PMD0/RB12 | LD4 | 
| 13 | 13/A11 | - | 10 | AN11/RPB13/CTPLS/PMRD/RB13 | OC5/INT2 | 
| 14 | 14 | - | 12 | PGED(4)/TMS/PMA10/RA10 | LD3 | 
| 15 | 15 | - | 13 | PGEC(4)/TCK/CTED8/PMA7/RA7 |  | 
| 16 | 16/10 | J1-04 | 14 | CVREF/AN10/C3INB/RPB14/SCK1/CTED5/PMWR/RB14 |  | 
| 17 | 17/A9 | J2-10 | 15 | AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 |  | 
| 18 | 18/A0 | - | 19 | VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/RA0 | TCK2 | 
| 19 | 19/A1 | - | 20 | VREF-/CVREF-/AN1/RPA1/CTED2/RA1 |  | 
| 20 | 20/A2 | J2-02 | 21 | PGED1/AN2/C1IND/C2INB/C3IND/RPB0/RB0 | U2TX | 
| 21 | 21/A3 | J2-03 | 22 | PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/RB1 | U2RX | 
| 22 | 22/A4 | J2-01 | 23 | AN4/C1INB/C2IND/RPB2/SDA2/CTED13/RB2 | OC4 | 
| 23 | 23/A5 | - | 24 | AN5/C1INA/C2INC/RTCC/RPB3/SCL2/RB3 | U1TX | 
| 24 | 24/A6 | J1-01 | 25 | AN6/RPC0/RC0 | SS1 | 
| 25 | 25/A7 | J1-02 | 26 | AN7/RPC1/RC1 | IC5/SDO1 | 
| 26 | 26/A8 | - | 27 | AN8/RPC2/PMA2/RC2 | TCK5 | 
| 27 | 27 | - | 32 | TDO/RPA8/PMA8/RA8 | TCK3 | 
| 28 | - | - | - | - | Not Connected | 
| 29 | 29 | - | 33 | SOSCI/RPB4/RB4 | OC1 | 
| 30 | 30 | J1-09 | 34 | SOSCO/RPA4/T1CK/CTED9/RA4 | TCK1 | 
| 31 | 31 | - | 35 | TDI/RPA9/PMA9/RA9 | IC3 | 
| 32 | 32 | J2-09 | 36 | RPC3/RC3 | TCK4/SDI2 | 
| 33 | 33 | J2-07 | 37 | RPC4/PMA4/RC4 | INT1/SS2 | 
| 34 | 34 | J2-04 | 38 | RPC5/PMA3/RC5 |  | 
| 35 | 35 | J1-03 | 41 | PGED3/RPB5/PMD7/RB5 | SDI1 | 
| 36 | 36 | J2-08 | 42 | PGEC3/RPB6/PMD6/RB6 | IC1/SDO2 | 
| 37 | 37 | - | 43 | RPB7/CTED3/PMD5/INT0/RB7 | IC4/INT4 | 
| 38 | 38 | - | 44 | RPB8/SCL1/CTED10/PMD4/RB8 | OC2 | 
| 39/40 | - | - | 6/16/29/39 | VSS/AVSS | GND |