2.8 ATECC608B TrustFLEX (U4)
| Pin number on TrustFLEX (U4) | Standard Pin on Trust Flex | Pin on RNWF11PC Module | Description |
|---|---|---|---|
| 1 | NC | — | — |
| 2 | NC | — | — |
| 3 | NC | — | — |
| 4 | GND | GND | Ground |
| 5 | SDA | RPA5, SDA1 | ATECC608B TrustFLEX I2C serial data |
| 6 | SCL | RPA4, SCL1 | ATECC608B TrustFLEX I2C serial clock input |
| 7 | NC | — | — |
| 8 | VCC | VCC | 3.3V power supply |