LAN9313 Datasheet, PDF (370/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
BITS
DESCRIPTION
17:16 Egress Port Type Port 2
These bits set the egress port type which determines the tagging/un-tagging
rules.
TYPE
R/W
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 6.5.6,
"Adding, Removing, and Changing VLAN Tags," on page 80 for additional
details.
11
CPU
A special tag is added to indicate the source of the packet. See Section 6.5.6,
"Adding, Removing, and Changing VLAN Tags," on page 80 for additional
details.
15:14 RESERVED
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.
7:6 RESERVED
5 Insert Tag Port 0(External MII)
Identical to Insert Tag Port 2 definition above.
4 Change VLAN ID Port 0(External MII)
Identical to Change VLAN ID Port 2 definition above.
3 Change Priority Port 0(External MII)
Identical to Change Priority Port 2 definition above.
2 Change Tag Port 0(External MII)
Identical to Change Tag Port 2 definition above.
1:0 Egress Port Type Port 0(External MII)
Identical to Egress Port Type Port 2 definition above.
RO
R/W
R/W
R/W
R/W
R/W
RO
R/W
R/W
R/W
R/W
R/W
DEFAULT
0b
-
0b
0b
0b
0b
0b
-
0b
0b
0b
0b
0b
Revision 1.2 (04-08-08)
370
DATASHEET
SMSC LAN9313/LAN9313i