LAN9312-NZW Standard Microsystems (SMSC), LAN9312-NZW Datasheet - Page 385

• 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
14.5.3.18
BITS
31:3
2:0
RESERVED
Admit Only VLAN
When set, untagged and priority tagged packets are filtered.
The VLAN Enable bit in the
Register (SWE_GLOBAL_INGRSS_CFG)
have an affect.
There is one enable bit per ingress port. Bits 2,1,0 correspond to switch
ports 2,1,0 respectively.
Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)
This register is used to configure the per port ingress rule for allowing only VLAN tagged packets.
Register #:
Switch Engine Global Ingress Configuration
1842h
DESCRIPTION
DATASHEET
needs to be set for these bits to
385
Size:
32 bits
TYPE
R/W
RO
Revision 1.7 (06-29-10)
DEFAULT
000b
-