RTL8309SB
Datasheet
Single-chip 9-port 10/100Mbps Switch Controller
30
Track ID: JATR-1076-21 Rev. 1.4
6.2.24. ISP MAC Address
The ISP MAC address is used as the source address in MAC address translation.
Table 40. ISP MAC Address
Byte.bit
Description
62.7~62.0
ISP MAC address byte 5.
63.7~63.0
ISP MAC address byte 4.
64.7~64.0
ISP MAC address byte 3.
65.7~65.0
ISP MAC address byte 2.
66.7~66.0
ISP MAC address byte 1.
67.7~67.0
ISP MAC address byte 0.
Name
ISP MAC Address [47:40]
ISP MAC Address [39:32]
ISP MAC Address [31:24]
ISP MAC Address [23:16]
ISP MAC Address
[15:8]
ISP MAC Address
[7:0]
Default
0x05
0x42
0x2F
0x21
0x91
0x5C
6.2.25. Port 4 Control 0
Table 41. Port 4 Control 0
Name
Reserved
Byte.bit Description
68.7~
68.6
68.5~
68.4
11=MII Reg0.13=1, 0.8=1, 4.8=1, 4.7=1, 4.6=1, 4.5=1
10=MII Reg0.13=1, 0.8=0, 4.8=0, 4.7=1, 4.6=1, 4.5=1
01=MII Reg0.13=0, 0.8=1, 4.8=0, 4.7=0, 4.6=1, 4.5=1
00=MII Reg0.13=0, 0.8=0, 4.8=0, 4.7=0, 4.6=0, 4.5=1
In Force mode:
11=MII Reg0.13=1, 0.8=1, 4.8=1, 4.7=0, 4.6=0, 4.5=0
10=MII Reg0.13=1, 0.8=0, 4.8=0, 4.7=1, 4.6=0, 4.5=0
01=MII Reg0.13=0, 0.8=1, 4.8=0, 4.7=0, 4.6=1, 4.5=0
00=MII Reg0.13=0, 0.8=0, 4.8=0, 4.7=0, 4.6=0, 4.5=1
68.3
68.2
1: Enable port 4 half duplex backpressure
0: Disable port 4 half duplex backpressure
68.1~
68.0
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
11
Speed and
Duplex ability
In auto negotiation mode:
11
Reserved
Backpressure
enable
VLAN tag
insertion and
removal
1
1
11=Do not insert or remove VLAN tags to/from packet.
11
6.2.26. Port 4 Control 1
Table 42. Port 4 Control 1
Name
Reserved
Byte.bit Description
69.7~
68,6
69.5
1: Perform ‘local loopback’, i.e. loop back MAC’s RX back to TX
0: Normal operation
69.4
1: The switch will replace a NULL VID with a port VID (12 bits)
0: No replacement for a NULL VID
69.3
1: If the received packets are tagged, the switch will discard packets whose
VID does not match the ingress port’s PVID
0: No packets will be dropped
69.2
1: Disable 802.1p priority classification for ingress packets on port 4
0: Enable 802.1p priority classification
Default
11
Local loopback
0
Null VID
replacement
Discard Non
PVID packets
0
0
Disable 802.1p
priority
1