Datasheet

High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.5 (07-11-08) 102 SMSC LAN9118
DATASHEET
5.4.9 VLAN1—VLAN1 Tag Register
This register contains the VLAN tag field to identify VLAN1 frames. For VLAN frames the legal frame
length is increased from 1518 bytes to 1522 bytes.
5.4.10 VLAN2—VLAN2 Tag Register
This register contains the VLAN tag field to identify VLAN2 frames. For VLAN frames the legal frame
length is increased from 1518 bytes to 1522 bytes.
Offset: 9 Attribute: R/W
Default Value: 00000000h Size: 32 bits
BITS DESCRIPTION
31-16 Reserved
15-0 VLAN1 Tag Identifier (VTI1). This contains the VLAN Tag field to identify the VLAN1 frames. This
field is compared with the 13th and 14th bytes of the incoming frames for VLAN1 frame detection.
If used, this register must be set to 0x8100.
Offset: A Attribute: R/W
Default Value: 00000000h Size: 32 bits
BITS DESCRIPTION
31-16 Reserved
15-0 VLAN2 Tag Identifier (VTI2). This contains the VLAN Tag field to identify the VLAN2 frames. This
field is compared with the 13th and 14th bytes of the incoming frames for VLAN2 frame detection.If
used, this register must be set to 0x8100.