8-Bit I2C-Bus and SMBus Low Power I/O Port with Interrupt
| Pin | Name | Type |
|---|---|---|
| 13 | ~{INT} | output |
| 1 | A0 | input |
| 2 | A1 | input |
| 3 | A2 | input |
| 14 | SCL | input |
| 15 | SDA | bidirectional |
| 16 | VDD | bidirectional |
| 4 | IO0 | bidirectional |
| 5 | IO1 | bidirectional |
| 6 | IO2 | bidirectional |
| 7 | IO3 | bidirectional |
| 9 | IO4 | bidirectional |
| 10 | IO5 | bidirectional |
| 11 | IO6 | bidirectional |
| 12 | IO7 | bidirectional |
| 8 | VSS | power_in |
