LAN9312-NZW Standard Microsystems (SMSC), LAN9312-NZW Datasheet - Page 375

• Manufacturer Part Number: LAN9312-NZW
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9312-NZW

• Lead Free Status / RoHS Status: Supplier Unconfirmed

High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
14.5.3.8
BITS
31:6
3:0
5
4
RESERVED
VLAN RnW
This bit specifies a read(1) or a write(0) command.
PVIDnVLAN
When set, this bit selects the Port VID table. When cleared, this bit selects
the VLAN table.
VLAN/Port
This field specifies the VLAN(0-15) or port(0-2) to be read or written.
Note:
Switch Engine VLAN Command Register (SWE_VLAN_CMD)
This register is used to read and write the VLAN or Port VID tables. A write to this address performs
the specified access.
For a read access, the Operation Pending bit in the
(SWE_VLAN_CMD_STS)
Data Register (SWE_VLAN_RD_DATA)
For a write access, the
should be written first. The Operation Pending bit in the
Register (SWE_VLAN_CMD_STS)
Values outside of the valid range may cause unexpected results.
Register #:
Switch Engine VLAN Write Data Register (SWE_VLAN_WR_DATA)
indicates when the command is finished. The
180Bh
DESCRIPTION
DATASHEET
indicates when the command is finished.
can then be read.
375
Size:
Switch Engine VLAN Command Status Register
Switch Engine VLAN Command Status
32 bits
Switch Engine VLAN Read
TYPE
R/W
R/W
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
0b
0b
0h
-
register