4.3.8 AT24MAC402

The SAM V71 Xplained Ultra features one external AT24MAC402 serial EEPROM with a EIA-48 MAC address connected to the SAM V71 through I²C. This device contain a MAC address for use with the Ethernet interface. Table 4-28 lists all I/O-lines connected to the ATMAC402 device.

Table 4-28. AT24MAC402 Connections
SAM V71 pin	Function	QSPI Flash function	Shared functionality
PA03	TWID0	SDA	EXT1, EXT2, EDBG I²C, LCD, Camera, Audio, MediaLB, and Shield
PA04	TWICK0	SCL	EXT1, EXT2, EDBG I²C, LCD, Camera, Audio, MediaLB, and Shield