
RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
29
Track ID: JATR-1076-21 Rev. 1.4
6.2.21. Port 3 Control 2
Table 37. Port 3 Control 2
Name
Reserved
Byte.bit Description
56.7~
56.0
Default
1111
1000
6.2.22. Port 3 Control 3
Table 38. Port 3 Control 3
Name
Reserved
Byte.bit Description
57.7~
57.4
57.3
1: Enable packet transmission on port 3
0: Disable packet transmission on port 3
57.2
1: Enable packet reception on port 3
0: Disable packet reception on port 3
57.1
1: Enable switch address learning capability
0: Disable switch address learning capability
57.0
Default
1111
Transmission
enable
Reception enable
1
1
Learning enable
1
Reserved
1
VLAN Entry [D]
VLAN ID [D]
membership Bit
[7:0]
58.7~
58.0
This register along with byte 59.0 forms a 9-bit field that specifies which
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.
0000
1000
6.2.23. Port 3 Control 4
Table 39. Port 3 Control 4
Name
Port 3 VLAN
index [3:0]
Byte.bit Description
59.7~
59.4
VLAN Membership’, which may be defined in one of the registers ‘VLAN
ID [A] Membership’ to “VLAN ID [I] Membership”. Port 3 can only
communicate within the membership. This register also indexes to a default
Port VID (PVID) for each port. The PVID is used in tag insertion and
filtering if the tagged VID is not the same as the PVID.
59.3~
59.1
59.0
This register along with byte 58.7~58.0 forms a 9-bit field that specifies
which 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.
VLAN Entry [D]
60.7~
60.0
VLAN identifier of VLAN D.
61.7~
61.4
61.3~
61.0
VLAN identifier of VLAN D.
Default
0011
In a port-based VLAN configuration, this register indexes port 3’s ‘Port
Reserved
111
VLAN ID [D]
membership Bit
[8]
1
VLAN ID [D]
[7:0]
Reserved
This register along with byte 61.3~61.0 defines the IEEE 802.1Q 12-bit
0000
0011
1111
VLAN ID [D]
[11:8]
This register along with byte 60.7~60.0 defines the IEEE 802.1Q 12-bit
0000