This is a bunch of most used port pins of PIC microcontroller. These ports ease the process of interfacing external modules. Modules available through special ports are SPI (J45), I2C (J19), UART (J35), Analog (AN0), PWM and External Interrupt (INT) pins with power & ground.
UART
|
J35 |
1 |
2 |
3 |
|
Pin Name |
TX |
RX |
GND |
Pin description
TX – UART transmitter pin, RC6
RX – UART receiver pin, RC7
GND – Ground pin
I2C
|
J19 |
1 |
2 |
3 |
|
Pin Name |
SDA |
SCL |
GND |
Pin description
SDA – Serial Data pin of I2C module, RB0
SCL – Serial Clock pin of I2C module, RB1
GND – Ground pin
SPI
|
J45 |
1 |
2 |
3 |
4 |
|
Pin Name |
CS |
SCK |
SDI |
SDO |
Pin description
CS – Chip Select pin, RB4
SCK – Serial Clock pin of SPI module, RB1
SDI – Serial Data pin of SPI module, RB0
GND – Ground pin
Common Port
|
J31 |
1 |
2 |
3 |
4 |
|
Pin Name |
AN0 |
GND |
PWM |
INT |
Pin description
AN0 – Analog pin, RA0
GND – Ground
PWM – Pulse width modulator pin, RC2
INT – External interrupt, RD1
Power Port
|
J31 |
1 |
2 |
|
Pin Name |
GND |
5V |
Pin description
GND – Ground pin
5V – Power, 5V