| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 17 | RA00 | ○ | O | O | Power switch for ADC#00-#06 (ON in H) | ||
| 38 | RA01 | × | O | O | |||
| 58 | RA02 | SCL2 | ○ | O | O | Power switch for red LED (ON in H) | |
| 59 | RA03 | SDA2 | ○ | O | O | Power switch for yellow LED (ON in H) | |
| 60 | RA04 | × | O | O | |||
| 61 | RA05 | × | O | O | |||
| 91 | RA06 | AN22 | ○ | AD | I | ADC of Main battery voltage (1/4 att) | |
| 92 | RA07 | AN23 | × | AD | I | NC | |
| na | RA08 | O | |||||
| 28 | RA09 | Vref- | × | O | O | NC | |
| 29 | RA10 | Vref+ | ○ | I | I | Reference voltage (2.5V) | |
| na | RA11 | O | |||||
| 18 | RA12 | AN20 | INT1 | ○ | AD | I | ADC #00 |
| 19 | RA13 | AN21 | INT2 | ○ | AD | I | ADC #01 |
| 66 | RA14 | INT3 | ○ | (O) | O | INT from RTC | |
| 67 | RA15 | INT4 | × | O | O |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 25 | RB00 | AN0 | ○ | AD | I | ADC #07 (signal level changeable by VR50k) | |
| 24 | RB01 | AN1 | ○ | AD | I | ADC #06 | |
| 23 | RB02 | AN2 | ○ | AD | I | ADC #05 | |
| 22 | RB03 | AN3 | ○ | AD | I | ADC #04 | |
| 21 | RB04 | AN4 | ○ | AD | I | ADC #03 | |
| 20 | RB05 | AN5 | ○ | AD | I | ADC #02 | |
| 26 | RB06 | AN6 | PGC1 | ○ | AD | I | ADC #08 (1/2 att for CO2 sensor) |
| 27 | RB07 | AN7 | PGD1 | × | AD | I | NC |
| 32 | RB08 | AN8 | × | AD | I | NC | |
| 33 | RB09 | AN9 | × | AD | I | ||
| 34 | RB10 | AN10 | × | AD | I | ||
| 35 | RB11 | AN11 | ○ | I | I | Path of Vdd (Only input B11) | |
| 41 | RB12 | AN12 | ○ | O | O | Power switch for ADC #07 | |
| 42 | RB13 | AN13 | ○ | O | O | Power switch for CAMERA | |
| 43 | RB14 | AN14 | ○ | O | O | Power switch for ADC #08 | |
| 44 | RB15 | AN15 | ○ | I | I | Path of Vdd (Only input) |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| na | RC00 | O | |||||
| 6 | RC01 | AN16 | ○ | AD | I | ADC for Battery voltage RF (1/4 att) | |
| 7 | RC02 | AN17 | ○ | AD | I | ADC for Battery voltage RR (1/4 att) | |
| 8 | RC03 | AN18 | ○ | AD | I | ADC for Battery voltage RC (1/4 att) | |
| 9 | RC04 | AN19 | ○ | O | O | SPI select for MotorPIC (to B3/RP3) | |
| na | RC05 | O | |||||
| na | RC06 | O | |||||
| na | RC07 | O | |||||
| na | RC08 | O | |||||
| na | RC09 | O | |||||
| na | RC10 | O | |||||
| na | RC11 | O | |||||
| 63 | RC12 | × | O | O | |||
| 73 | RC13 | PGED2 | ○ | O | O | PGD | |
| 74 | RC14 | PGEC2 | ○ | O | O | PGC | |
| 64 | RC15 | × | O | O |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 72 | RD00 | × | O | O | |||
| 76 | RD01 | × | O | O | |||
| 77 | RD02 | × | O | O | |||
| 78 | RD03 | × | O | O | |||
| 81 | RD04 | × | O | O | |||
| 82 | RD05 | × | O | O | |||
| 83 | RD06 | × | O | O | |||
| 84 | RD07 | × | O | O | |||
| 68 | RD08 | × | O | O | |||
| 69 | RD09 | × | O | O | NC | ||
| 70 | RD10 | × | O | O | |||
| 71 | RD11 | × | O | O | |||
| 79 | RD12 | × | O | O | |||
| 80 | RD13 | × | O | O | |||
| 47 | RD14 | × | O | O | NC | ||
| 48 | RD15 | ○ | O | O | Power switch for PUMP |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 93 | RE00 | AN24 | ○ | AD | I | ADC for Battery voltage LR (1/4 att) | |
| 94 | RE01 | AN25 | ○ | AD | I | ADC for Battery voltage LF (1/4 att) | |
| 98 | RE02 | AN26 | ○ | AD | I | ADC for Battery voltage LC (1/4 att) | |
| 99 | RE03 | AN27 | ○ | AD | I | ADC for Accelaration sensor X-axis | |
| 100 | RE04 | AN28 | ○ | AD | I | ADC for Accelaration sensor Y-axis | |
| 3 | RE05 | AN29 | × | AD | I | ||
| 4 | RE06 | AN30 | × | AD | I | ||
| 5 | RE07 | AN31 | ○ | AD | I | ADC for Accelaration sensor Z-axis |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 87 | RF00 | ○ | I | I | DIP switch | ||
| 88 | RF01 | ○ | I | I | DIP switch | ||
| 52 | RF02 | U1Rx | ○ | I | I | RF Rx | |
| 51 | RF03 | U1Tx | ○ | O | O | RF Tx | |
| 49 | RF04 | U2Rx | ○ | I | I | Camera Rx | |
| 50 | RF05 | U2Tx | ○ | O | O | Camera Tx | |
| 55 | RF06 | SCK1 | × | O | O | ||
| 54 | RF07 | SOI1 | × | O | O | ||
| 53 | RF08 | SDO1 | ○ | O | O | Power switch for I2C | |
| na | RF09 | O | |||||
| na | RF10 | O | |||||
| na | RF11 | O | |||||
| 40 | RF12 | × | O | O | |||
| 39 | RF13 | × | O | O | |||
| na | RF14 | O | |||||
| na | RF15 | O |
| Pin | Port | AN | Special | Use | Setting | Tris | Function |
| 90 | RG00 | ○ | I | I | DIP switch | ||
| 89 | RG01 | ○ | I | I | DIP switch | ||
| 57 | RG02 | SCL1 | ○ | (I) | I | I2C SCL | |
| 56 | RG03 | SDA1 | ○ | (I) | I | I2C SDA | |
| na | RG04 | O | |||||
| na | RG05 | O | |||||
| 10 | RG06 | SCK2 | ○ | O | O | SPI SCK (to B13/RP13 of MotorPIC and B4/SCK of GPSPIC) | |
| 11 | RG07 | SDI2 | ○ | I | I | SPI SDI (to B11/RP11 of MotorPIC and B2/SDO of GPSPIC) | |
| 12 | RG08 | SDO2 | ○ | O | O | SPI SDO (to B10/RP10 of MotorPIC and B1/SDI of GPSPIC) | |
| 14 | RG09 | nSS2 | ○ | O | O | SPI select for GPSPIC (to B5/nSS) | |
| na | RG10 | O | |||||
| na | RG11 | O | |||||
| 96 | RG12 | × | O | O | |||
| 97 | RG13 | × | O | O | NC | ||
| 95 | RG14 | × | O | O | |||
| 1 | RG15 | ○ | O | O | Power switch for RFmodule |