| Port Name | I/O | Description |
|---|---|---|
| ext_iic_sci_i | I | IIC SCL input |
| ext_iic_sci_o | O | IIC SCL output |
| ext_iic_sci_t | O | IIC SCL enable |
| ext_iic_sda_i | I | IIC SDA input |
| ext_iic_sda_o | O | IIC SDA output |
| ext_iic_sda_t | O | IIC SDA enable |
| ext_rst | O | IIC reset through AXI IIC controller GPIO port0 |