Master I2C-Bus Controller with UART Interface
| Pin | Name | Type |
|---|---|---|
| 9 | RX | input |
| 10 | TX | output |
| 13 | ~{WKUP} | input |
| 3 | ~{RST} | input |
| 12 | VDD | power_in |
| 4 | VSS | power_in |
| 7 | SDA | bidirectional |
| 8 | SCL | output |
| 1 | GPIO0 | bidirectional |
| 2 | GPIO1 | bidirectional |
| 5 | GPIO2 | bidirectional |
| 6 | GPIO3 | bidirectional |
| 15 | GPIO4 | bidirectional |
| 14 | GPIO5 | bidirectional |
| 11 | GPIO6 | bidirectional |
| 16 | GPIO7 | bidirectional |
