lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 93

• 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.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
[ingress_port or egress port*]
Priority = ingress priority or
VID = Default VID [ingress
Priority = ingress priority or
port or egress_port*]
*choosen by VID /
Priority Select bit
*choosen by VID /
Priority Select bit
VID = Default VID
Default Priority
[egress_port]*
Default Priority
[ingress_port]
[egress_port]*
[egress_port]
Modify Tag
Non-tagged
Default VID
Insert Tag
Un-tag Bit
Add Tag
N
Y
Y
Hybrid tagging is summarized in
The default VLAN ID and priority of each port may be configured via the following registers:
Change Priority
[egress_port]
N
Y
Buffer Manager Port 0 Default VLAN ID and Priority Register (BM_VLAN_0)
Buffer Manager Port 1 Default VLAN ID and Priority Register (BM_VLAN_1)
Buffer Manager Port 2 Default VLAN ID and Priority Register (BM_VLAN_2)
Send Packet Untouched
VID = Default VID [ingress
Priority = Unchanged
port or egress_port*]
*choosen by VID /
Priority Select bit
Modify Tag
N
Y
Figure 6.9 Hybrid Port Tagging and Un-tagging
Change VLAN ID
Normal Tagged
Received VID
[egress_port]
[egress_port]
Change Tag
Un-tag Bit
N
Y
Priority = ingress priority or
Default Priority [egress_port]*
[ingress_port or egress port*]
Priority = ingress priority or
*choosen by VID /
Priority Select bit
VID = Unchanged
*choosen by VID /
Priority Select bit
Default Priority
[egress_port]*
VID = Default VID
Change Priority
Priority Tagged
Modify Tag
[ingress_port]
Y
N
N
[egress_port]
Default VID
Modify Tag
Un-tag Bit
Figure
DATASHEET
N
Y
Y
Change Priority
[egress_port]
6.9.
Receive Tag
Y
N
93
Type
Send Packet Untouched
[ingress_port or egress port*]
Priority = Unchanged
N
*choosen by VID /
Priority Select bit
VID = Default VID
Modify Tag
Strip Tag
Strip Tag
Revision 1.3 (08-27-09)
Special Tagged
Strip Tag