LAN9303MI-AKZE Datasheet, PDF (309/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
13.4.3.18 Switch Engine Admit Only VLAN Register (SWE_ADMT_ONLY_VLAN)
Register #:
1842h
Size:
32 bits
This register is used to configure the per port ingress rule for allowing only VLAN tagged packets.
BITS
DESCRIPTION
31:3 RESERVED
2:0 Admit Only VLAN
When set, untagged and priority tagged packets are filtered.
The VLAN Enable bit in the Switch Engine Global Ingress Configuration
Register (SWE_GLOBAL_INGRSS_CFG) needs to be set for these bits to
have an affect.
There is one enable bit per ingress port. Bits 2,1,0 correspond to switch
ports 2,1,0 respectively.
TYPE
RO
R/W
DEFAULT
-
000b
SMSC LAN9303M/LAN9303Mi
309
DATASHEET
Revision 1.5 (07-08-11)