mikroBUS Xplained Pro implements all the Xplained Pro Standard Extension Headers (Female), which makes it possible to connect the board to an Xplained Pro MCU board. The pin-out definition for the extension header to mikroBUS™ Click Board Header can be seen in the table below.
| Pin on EXT1 | Pin Function on Click Board | Description |
|---|---|---|
| 1 | ID | Communication line to the ID chip |
| 2 | GND | Ground |
| 3 | AN | Analog |
| 4 | NC | Not connected |
| 5 | RST | Reset |
| 6 | NC | Not connected |
| 7 | PWM | Pulse Width modulation |
| 8 | NC | Not connected |
| 9 | INT | Interrupt |
| 10 | NC | Not connected |
| 11 | TWI_SDA | I2C SDA |
| 12 | TWI_SCL | I2C SCL |
| 13 | UART_TXD | UART TX |
| 14 | UART_RXD | UART RX |
| 15 | SPI_SS_A | SPI SS |
| 16 | SPI_MOSI | SPI MOSI |
| 17 | SPI_MISO | SPI MISO |
| 18 | SPI_SCK | SPI Clock |
| 19 | GND | Ground |
| 20 | VCC | Target supply voltage |