Datasheet

LAN8740A/LAN8740Ai
DS00001987A-page 96  2013-2015 Microchip Technology Inc.
4.3.11 MAC RECEIVE ADDRESS A REGISTER (RX_ADDRA)
Index (In Decimal): 3.32865 Size: 16 bits
Bits Description Type Default
15:0 Physical Address [47:32] R/W/
NASR
FFFFh
Note: The MAC address must be loaded into the RX_ADDRA, RX_ADDRB, and RX_ADDRC registers in the
proper byte order. For example, a MAC address of 12:34:56:78:9A:BC should be loaded into these regis-
ters as follows:
RX_ADDRA = BC9Ah
RX_ADDRB = 7856h
RX_ADDRC = 3412h