Use MTB as an alternate for the MCP2221A Breakout Module by mounting a J5 SMD female header. The following table describes the pin details.
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | TXD | Transmitter pin of the UART host device |
| 2 | VDD | Ground |
| 3 | GND | External power pin |
| 4 | SDA | Data pin for I2C interface |
| 5 | SCL | Clock pin for I2C interface |
| 6 | RXD | Receiver pin of the UART host device |