LAN9353 Datasheet, PDF (331/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
Bits
Description
18 Change Tag Port 2
When set, allows the Change Tag and Change Priority bits to affect regular
tagged packets.
This bit has no affect on priority tagged packets.
17:16
This is only used when the Egress Port Type is set as Hybrid.
Egress Port Type Port 2
These bits set the egress port type which determines the tagging/un-tagging
rules.
Bit
Values
EGRESS PORT TYPE
00
Dumb
Packets from regular ports pass untouched. Special tagged packets
from the External MII port have their tagged stripped.
01
Access
Tagged packets (including special tagged packets from the External
MII port) have their tagged stripped.
10
Hybrid
Supports a mix of tagging, un-tagging and changing tags. See
Section 10.4.6, "Adding, Removing and Changing VLAN Tags," on
page 223 for additional details.
11
CPU
A special tag is added to indicate the source of the packet. See
Section 10.4.6, "Adding, Removing and Changing VLAN Tags," on
page 223 for additional details.
15 RESERVED
14 VID/Priority Select Port 1
Identical to VID/Priority Select Port 2 definition above.
13 Insert Tag Port 1
Identical to Insert Tag Port 2 definition above.
12 Change VLAN ID Port 1
Identical to Change VLAN ID Port 2 definition above.
11 Change Priority Port 1
Identical to Change Priority Port 2 definition above.
10 Change Tag Port 1
Identical to Change Tag Port 2 definition above.
9:8 Egress Port Type Port 1
Identical to Egress Port Type Port 2 definition above.
7
RESERVED
6
VID/Priority Select Port 0
Identical to VID/Priority Select Port 2 definition above.
5
Insert Tag Port 0
Identical to Insert Tag Port 2 definition above.
4
Change VLAN ID Port 0
Identical to Change VLAN ID Port 2 definition above.
3
Change Priority Port 0
Identical to Change Priority Port 2 definition above.
Type
R/W
R/W
RO
R/W
R/W
R/W
R/W
R/W
R/W
RO
R/W
R/W
R/W
R/W
Default
0b
0b
-
0b
0b
0b
0b
0b
0b
-
0b
0b
0b
0b
 2015 Microchip Technology Inc.
DS00001925A-page 331