ATmega4809 Xplained Pro has one UDFN8 footprint for Microchip I2C CryptoAuthentication devices where several models can be soldered on. The table below shows all the connections between the UDFN8 footprint and the ATmega4809.
UDFN8 Footprint Pin | ATmega4809 Pin | Function | Shared Functionality |
---|---|---|---|
1 [NC] | - | - | - |
2 [NC] | - | - | - |
3 [NC] | - | - | - |
4 [GND] | - | GND | - |
5 [SDA] | PC2 | TWI0 SDA | EXT1, EXT2, EXT3, mikroBUS™, EDBG DGI |
6 [SCL] | PC3 | TWI0 SCL | EXT1, EXT2, EXT3, mikroBUS™, EDBG DGI |
7 [NC] | - | - | |
8 [VCC] | - | VCC_TARGET | - |
9 [PAD] | - | GND | - |