1.3 UART/I2C Pin Details
Connect the UART or I2C to the PC, and power on the ATWINC/ATWILC. Ensure that the ATWINC/ATWILC is in the right test mode with the correct pins.
The following table provides the I2C connection for ATWINC/ATWILC 1XXX and 3XXX series.
| Connections | 1XXX Module series | 1XXX Chip series | 3XXX Module series | 3XXX Chip series |
|---|---|---|---|---|
| I2C Slave Data | Pin 3 | Pin 33 | Pin 10 | Pin 16 |
| I2C Slave clock | Pin 2 | Pin 32 | Pin 11 | Pin 17 |
| BT_TXD | NA | NA | Pin 8 | Pin 14 |
| BT_RXD | NA | NA | Pin 9 | Pin 15 |