zl50408 Zarlink Semiconductor, zl50408 Datasheet - Page 75

• Manufacturer Part Number: zl50408
• Description: Managed 8-port 10/100m 1-port 10/100/1000m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

13.3.3
Trunk Group – Up to eight RMAC ports can be selected for each trunk group.
13.3.3.1
CPU Address:h200+n (n = trunk group)
Accessed by CPU (R/W)
Bit [7:0] Port 7-0 bit map of trunk n. (Default 0)
(Group 2 Address) Port Trunking Groups
TRUNKn– Trunk Group 0~7
Bit [3]:
Bit [4]:
Bit [5]:
Bit [6]:
Bit [7]:
Flooding control in secure mode
0: Enable - Learning disabled port will not receive any flooding packets (Default)
1: Disable
Support MAC address 0
0: MAC address 0 is not learned. (Default)
1: MAC address 0 is learned.
Disable IEEE multicast control frame (0180C2000000 to 0180C20000FF) to CPU in
managed mode.
0: Packet is forwarded to CPU (Default)
1: Packet is forwarded as multicast
IP Multicast Enable
0: Disable (default)
1: Enable
In general, this bit is equal to ^FEN[4].
Enable logical port match in secure mode
0: Disable (Default)
1: Enable - When Well Known or User Define logical port force discard enabled, force
any IP packet with logical port number matching logical port numbers to CPU.
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Zarlink Semiconductor Inc.
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Data Sheet