- Standard Microsystems Single-Chip Ethernet Controller Specification Sheet

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Datasheet

SMSC LAN9420/LAN9420i 123 Revision 1.22 (09-25-08)

DATASHEET

4.4.2 MAC Address High Register (ADDRH)

This register contains the upper 16 bits of the physical address of the MAC, where ADDRH[15:8] is

the 6

octet of the RX frame.

Offset: 0084h Size: 32 bits

BITS DESCRIPTION TYPE DEFAULT

31:16 RESERVED RO -

15-0 Physical Address [47:32]

This field contains the upper 16 bits (47:32) of the physical address of the

LAN9420/LAN9420i device.

R/W FFFFh