| Pin | Symbol | Description |
|---|
| 1 | VPP/MCLR/RE3 | Programming voltage, Master Clear, General purpose input |
| 2 | SEG12/VCAP/SS/SRNQ/C2OUT/C12IN0-/AN0/RA0 | LCD Analog output, Filter capacitor, Slave Select input, SR Latch inverting output, Comparator C2 output, Comparator C1 or C2 negative input, A/D Channel 0 input, General purpose I/O |
| 3 | SEG7/C12IN1-/AN1/RA1 | LCD Analog output, Comparator C1 or C2 negative input, A/D Channel 1 input, General purpose I/O |
| 4 | COM2/DACOUT/VREF-/C2IN+/AN2/RA2 | LCD Analog output, Comparator Voltage Reference output, A/D Negative Voltage Reference input, Comparator C2 positive input, A/D Channel 2 input, General purpose I/O |
| 5 | SEG15/COM3/VREF+/C1IN+/AN3/RA3 | LCD Analog output, LCD Analog output, A/D Voltage Reference input, Comparator C1 positive input, A/D Channel 3 input, General purpose I/O |
| 6 | SEG4/CCP5/SRQ/T0CKI/CPS6/C1OUT/RA4 | LCD Analog output, Capture/Compare/PWM5, SR Latch non-inverting output, Timer0 clock input, Capacitive sensing input 6, Comparator C1 output, General purpose I/O |
| 7 | SEG5/VCAP/SS/SRNQ/CPS7/C2OUT/AN4/RA5 | LCD Analog output, Filter capacitor, Slave Select input, SR Latch inverting output, Capacitive sensing input 7, Comparator C2 output, A/D Channel 4 input, General purpose I/O |
| 8 | GND | Ground reference |
| 9 | SEG2/CLKIN/OSC1/RA7 | LCD Analog output, External clock input, Crystal/Resonator, General purpose I/O |
| 10 | SEG1/VCAP/CLKOUT/OSC2/RA6 | LCD Analog output, Filter capacitor, FOSC/4 output, Crystal/Resonator, General purpose I/O |
| 11 | P2B/T1CKI/T1OSO/RC0 | PWM output, Timer1 clock input, Timer1 oscillator connection, General purpose I/O |
| 12 | P2A/CCP2/T1OSI/RC1 | PWM output, Capture/Compare/PWM2, Timer1 oscillator connection, General purpose I/O |
| 13 | SEG3/P1A/CCP1/RC2 | LCD Analog output, PWM output, Capture/Compare/PWM1, General purpose I/O |
| 14 | SEG6/SCL/SCK/RC3 | LCD Analog output, I2C clock, SPI clock, General purpose I/O |
| 15 | RC4/SDI/SDA/T1G/SEG11 | General purpose I/O, SPI data input, I2C data input/output, Timer1 Gate input, LCD Analog output, |
| 16 | RC5/SDO/SEG10 | General purpose I/O, SPI data output, LCD Analog output |
| 17 | RC6/TX/CK/CCP3/P3A/SEG9 | General purpose I/O, USART asynchronous transmit, USART synchronous clock, Capture/Compare/PWM3, PWM output, LCD Analog output |
| 18 | RC7/RX/DT/P3B/SEG8 | General purpose I/O, USART asynchronous input, USART synchronous data, PWM output, LCD Analog output |
| 19 | GND | Ground reference |
| 20 | VCC | Positive supply |
| 21 | RB0/AN12/CPS0/CCP4/SRI/INT/SEG0 | General purpose I/O, A/D Channel 12 input, Capacitive sensing input 0, Capture/Compare/PWM4, SR Latch input, External interrupt, LCD analog output |
| 22 | RB1/AN10/C12IN3-/CPS1/P1C/VLCD1 | General purpose I/O, A/D Channel 10 input, Comparator C1 or C2 negative input, Capacitive sensing input 1, PWM output, LCD analog input |
| 23 | RB2/AN8/CPS2/P1B/VLCD2 | General purpose I/O, A/D Channel 8 input, Capacitive sensing input 2, PWM output |
| 24 | RB3/AN9/C12IN2-/CPS3/CCP2/P2A/VLCD3 | General purpose I/O, A/D Channel 9 input, Comparator C1 or C2 negative input, Capacitive sensing input 3, Capture/Compare/PWM2, PWM output, LCD analog input |
| 25 | RB4/AN11/CPS4/P1D/COM0 | General purpose I/O, A/D Channel 11 input, Capacitive sensing input 4, PWM output, LCD Analog output |
| 26 | RB5/AN13/CPS5/P2B/CCP3/P3A/T1G/COM1 | General purpose I/O, A/D Channel 13 input, Capacitive sensing input 5, PWM output, Capture/Compare/PWM3, PWM output, Timer1 Gate input, LCD Analog output |
| 27 | RB6/ICSPCLK/ICDCLK/SEG14 | General purpose I/O, Serial Programming Clock, In-Circuit Debug Clock, LCD Analog output |
| 28 | RB7/ICSPDAT/ICDDAT/SEG13 | General purpose I/O, ICSP Data I/O, In-Circuit Data I/O, LCD Analog output |