lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 184

• Manufacturer Part Number: lan9303m
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Revision 1.3 (08-27-09)
13.2.6.3
31:16
BITS
15:0
RESERVED
(See
PHY ID
This field contains the MSB of the Virtual PHY OUI
Virtual PHY Identification MSB Register (VPHY_ID_MSB)
This read/write register contains the MSB of the Virtual PHY Organizationally Unique Identifier (OUI).
The LSB of the Virtual PHY OUI is contained in the
(VPHY_ID_LSB).
Note 13.26 The reserved bits 31-16 are used to pad the register to 32-bits so that each register is on
Note 13.27 IEEE allows a value of zero in each of the 32-bits of the PHY Identifier.
Note
13.26)
Offset:
Index (decimal):
a DWORD boundary. When accessed serially (through the MII management protocol), the
register is 16-bits wide.
1C8h
2
DESCRIPTION
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
DATASHEET
184
Size:
(Note
13.27).
Virtual PHY Identification LSB Register
32 bits
SMSC LAN9303M/LAN9303Mi
TYPE
R/W
RO
DEFAULT
0000h
Datasheet
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