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Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08) 276 SMSC LAN9311/LAN9311i
DATASHEET
14.3.3 Host MAC Address Low Register (HMAC_ADDRL)
This read/write register contains the lower 32-bits of the physical address of the Host MAC. The
contents of this register are optionally loaded from the EEPROM at power-on through the EEPROM
Loader if a programmed EEPROM is detected. The least significant byte of this register (bits [7:0]) is
loaded from address 01h of the EEPROM. The most significant byte of this register is loaded from
address 04h of the EEPROM. Section 9.6, "Host MAC Address," on page 120 details the byte ordering
of the HMAC_ADDRL and HMAC_ADDRH registers with respect to the reception of the Ethernet
physical address. Please refer to Section 10.2, "I2C/Microwire Master EEPROM Controller," on
page 138 for more information on the EEPROM Loader.
Offset: 3h Size: 32 bits
BITS DESCRIPTION TYPE DEFAULT
31:0 Physical Address [31:0]
This field contains the lower 32-bits (31:0) of the Physical Address of the
Host MAC. The content of this field is undefined until loaded from the
EEPROM at power-on. The host can update the contents of this field after
the initialization process has completed.
R/W FFFFFFFFh