SMSC LAN9311 User Manual

Page of 460
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
Revision 1.4 (08-19-08)
244
SMSC LAN9311/LAN9311i
DATASHEET
 
14.2.7
PHY Management Interface (PMI)
The PMI registers are used (by the EEPROM Loader only) to indirectly access the PHY registers.
Refer to 
 for additional
information on the PHY registers. 
Note:
These registers are only accessible by the EEPROM Loader and NOT by the Host bus. Refer
to 
 for additional information.
14.2.7.1
PHY Management Interface Data Register (PMI_DATA)
This register is used in conjunction with the 
 to perform write operations to the PHYs.
Note:
This register is only accessible by the EEPROM Loader and NOT by the Host bus. Refer to
 for additional information.
Offset:
0A4h
EEPROM Loader 
Access Only
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:16
RESERVED
RO
-
15:0
MII Data
This field contains the value written to the PHYs. For a write operation, this 
register should be first written with the desired data. 
WO
00000000h