RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
32
Track ID: JATR-1076-21 Rev. 1.4
Name
Byte.bit Description
Default
VLAN Entry [E]
VLAN ID [E]
[7:0]
Reserved
74.7~
74.0
75.7~
75.4
75.3~
75.0
This register along with byte 75.3~75.0 defines the IEEE 802.1Q 12-bit
VLAN identifier of VLAN E.
0000
0100
1111
VLAN ID [E]
[11:8]
This register along with byte 74.7~74.0 defines the IEEE 802.1Q 12-bit
VLAN identifier of VLAN E.
0000
6.3.
MII Port Control Pins
6.3.1.
MII Port Control 0
Table 46. MII Port Control 0
Name
Reserved
Byte.bit Description
76.7~
76.2
76.1~
76.0
10=Insert PVID to non-tagged packets.
01=Remove tag from tagged packets.
00=Replace the VID with a PVID for tagged packets and insert a PVID to
non-tagged packets.
Default
1111
11
11
VLAN tag
insertion and
removal
11=Do not insert or remove VLAN tags to/from packets.
6.3.2.
MII Port Control 1
Table 47. MII Port Control 1
Name
Transmission
enable
Reception enable
Byte.bit Description
77.7
1: Enable packet transmission on MII interface
0: Disable packet transmission on MII interface
77.6
1: Enable packet reception on MII interface
0: Disable packet reception on MII interface
77.5
1: Enable switch address learning capability
0: Disable switch address learning capability
77.4
1: Enable local loop back function. The switch will only forward local and
broadcast packets from the input of MII RX to the output of MII TX but drop
unicast packets from the input of MII RX. The other ports still can forward
packets to MII port
0: Disable local loop back function
77.3
1: Disable 802.1p priority classification for ingress packets on MII port
0: Enable 802.1p priority classification
77.2
1: Disable Diffserv priority classification for ingress packets on MII port
0: Enable Diffserv priority classification
77.1
1: Disable port priority function
0: Enable port priority function. Ingress packets from the MII port will be
classified as high priority
77.0
VLAN Entry [I]
78.7~
78.0
ports are members of the VLAN. If a destination address look up fails,
packets associated with this VLAN will be forwarded to ports specified in
this field. E.g., 1 0000 0001 means port 8 and 0 are in this VLAN.
Default
1
1
Learning enable
1
Enable MII
loopback
0
Disable 802.1p
priority
Disable Diffserv
priority
Disable port-
based priority
1
1
1
Reserved
0
VLAN ID [I]
membership Bit
[7:0]
This register along with byte 79.0 forms a 9-bit field that specifies which
1111
1111