lan9420 Standard Microsystems Corp., lan9420 Datasheet - Page 129

• Manufacturer Part Number: lan9420
• Description: Lan9420/lan9420i Single-chip Ethernet Controller With Hp Auto-mdix Support And Pci Interface
• Manufacturer: Standard Microsystems Corp.

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
SMSC LAN9420/LAN9420i
4.4.7
31-16
BITS
15-0
RESERVED
MII Data
This contains the 16-bit value read from the PHY read operation or the 16-
bit data value to be written to the PHY before an MII write operation.
MII Data Register (MII_DATA)
This register contains either the data to be written to the PHY register specified in the MII Access
Register, or the read data from the PHY register whose index is specified in the MII Access Register.
Refer
Note: The MIIBZY bit in the MII_ACCESS register must be cleared when writing to this register.
toSection 4.4.6, "MII Access Register (MII_ACCESS)," on page 128
Offset:
DESCRIPTION
0098h
DATASHEET
129
Size:
32 bits
for further details.
TYPE
R/W
RO
Revision 1.1 (03-31-08)
DEFAULT
0000h
-