Hi,
As the section 37.6.28 MAC address high register in UM11060.pdf, there are two mac registers to save 48 bits mac address: MAC_ADDR_HIGH and MAC_ADDR_LOW, the MAC_ADDR_LOW saves 32 bits low mac address, the MAC_ADDR_HIGH saves high 16 bits mac address.
It is required for user to assign mac address to the mac address register with firmware, there is not default value for the two registers.
Hope it is helpful
BR
XiangJun Rong
