| GPIO Pin Name | Default Function | Function2：GPIO | Function3 |
|---|---|---|---|
| CON2-P01 | VCC-3V3 | ||
| CON2-P02 | VCC-5V | ||
| CON2-P03 | TWI0-SDA PA12-EINT12 | ||
| CON2-P04 | VCC-5V | ||
| CON2-P05 | TWI0-SCK | PA11-EINT11 | |
| CON2-P06 | GND | ||
| CON2-P07 | PWM1 | PA6-EINT6 | |
| CON2-P08 | UART3-TX | PA13-EINT13 | SPI1-CS |
| CON2-P09 | GND | ||
| CON2-P10 | UART3-RX | PA14-EINT14 | SPI1-CLK |
| CON2-P11 | UART2-RX | PA1-EINT1 | |
| CON2-P12 | UART3-CTS | PA16-EINT16 | SPI1-MISO |
| CON2-P13 | UART2-TX | PA0-EINT0 | |
| CON2-P14 | GND | ||
| CON2-P15 | UART2-CTS | PA3-EINT3 | |
| CON2-P16 | UART3-RTS | PA15-EINT15 | SPI1-MOSI |
| CON2-P17 | VCC-3V3 | ||
| CON2-P18 | PC4 | PC4 | |
| CON2-P19 | SPI0-MOSI | PC0 | |
| CON2-P20 | GND | ||
| CON2-P21 | SPI0-MISO | PC1 | |
| CON2-P22 | UART2-RTS PA2-EINT2 | ||
| CON2-P23 | SPI0-CLK PC2 | ||
| CON2-P24 | SPI0-CS PC3 | ||
| CON2-P25 | GND | ||
| CON2-P26 | PC7 PC7 | ||
| CON2-P27 | TWI1-SDA PA19-EINT19 | ||
| CON2-P28 | TWI1-SCK PA18-EINT18 | ||
| CON2-P29 | PA7-EINT7 PA7-EINT7 | ||
| CON2-P30 | GND | ||
| CON2-P31 | PA8-EINT8 PA8-EINT8 | ||
| CON2-P32 | PL2-S-EINT2 PL2-S-EINT2 | ||
| CON2-P33 | PA9-EINT9 PA9-EINT9 | ||
| CON2-P34 | GND | ||
| CON2-P35 | PA10-EINT10 PA10-EINT10 | ||
| CON2-P36 | PL4-S-EINT4 PL4-S-EINT4 | ||
| CON2-P37 | PA17-EINT17 PA17-EINT17 SPDIF-OUT | ||
| CON2-P38 | PA21-EINT21 PA21-EINT21 | ||
| CON2-P39 | GND | ||
| CON2-P40 | PA20-EINT20 PA20-EINT20 |