參數(shù)資料
型號(hào)： ADM6926
廠商： Electronic Theatre Controls, Inc.
英文描述： 26 port 10/100 Mbps Ethernet Switch Controller
中文描述： 26端口10/100 Mbps以太網(wǎng)交換機(jī)控制器
文件頁(yè)數(shù)： 55/85頁(yè)
文件大?。?/td> 4222K
代理商： ADM6926
ADM6926
Function Description
Configuration
Description
Default
01000 = CPU port is configured to port 8.
01010 = CPU port is configured to port 10.
01100 = CPU port is configured to port 12
01110 = CPU port is configured to port 14.
10000 = CPU port is configured to port 16.
10010 = CPU port is configured to port 18.
10100 = CPU port is configured to port 20
10110 = CPU port is configured to port 22.
11000 = CPU port is configured to port 24 11001 = CPU port is configured to port 25.
01001 = CPU port is configured to port 9.
01011 = CPU port is configured to port 11.
01101 = CPU port is configured to port 13.
01111 = CPU port is configured to port 15.
10001 = CPU port is configured to port 17.
10011 = CPU port is configured to port 19.
10101 = CPU port is configured to port 21.
10111 = CPU port is configured to port 23.
Bit[5]
Enable receive 8-byte special tag from the CPU port to support IGMP snooping,
spanning tree or the security function.
1 = CPU will transmit packets with additional 8-byte special TAG and the ADM6926
will remove this special TAG, use information contained to forward packets and
recalculate CRC value when this packet is re-transmitted.
0 = CPU will transmit packets as the normal state.
Enable transmit 4-byte special tag to the CPU port to support IGMP snooping, spanning
tree or the security function.
1 = ADM6926 will insert addition 4-byte special TAG when it has packets to be
transmitted to the CPU port.
0 = ADM6926 will transmit packets as the normal mode.
Enable insert 4-byte special tag when Pause happens and Bit[6] is enabled.
1 = ADM6926 will add 4-byte special TAG when pause happens.
0 = ADM6926 will add 4-byte special TAG when pause happens.
Reserved.
Learning Group. ADM6926 has an ability to learn packets according their forwarding
groups. The ADM6926 could be divided into 32 learning groups. We use L0, L1, …and
L31 to call each learning group.
0x = Normal mode, learning with SA only
10 = MAC Clone mode, learning with SA and VID[0]. When packets are received and
could be learned, they are learned divided into two Groups. Even forwarding
groups are learned into L0 and odd forwarding groups are learned into L1.
11 = Learning with SA and VID[4:0]. When packets are received and could be learned,
they are learned according to their forwarding group. That is packets belonging to
F0 is learned into L0, packets belonging to F1 is learned into L1,.., and packets
belonging to F31 is leaned into L31.
Disable CPU Port Learning Function.
1 = The packets received from the CPU port will not be learned.
0 = The packets received from the CPU port will be learned.
1’b0
Bit[6]
1’b0
Bit[7]
1’b0
3’b000
2’b00
Bit[10:8]
Bit [12:11]
Bit [13]
1’b0
3.2.44 Special MAC Forward Control Register 0 (Index: a3h)
Configuration
Bit[1:0]
The forwarding option for destination address = 48’h0180c2000000 (BPDU)
Bit[3:2]
The forwarding option for destination address = 0180c2000001 (Reserved for Pause
address), MAC control field = 8808, OP Code != 0001.
Bit[5:4]
The forwarding option for destination address = 48’h0180c2000002 (Slow Protocol)
Bit[7:6]
The forwarding option for destination address = 0180c2000003 (802.1x PAE address)
Bit[9:8]
The forwarding option for destination address = 0180c2000004 ~0180c200000f
Bit[11:10]
The forwarding option for destination address = 0180c2000010~0180c200001f
Bit[13:12]
The forwarding option for destination address = 0180c2000020~0180c2000022
(GMRP, GVRP, GARP)
Bit[15:14]
The forwarding option for destination address = 0180c2000023~0180c20000ff
Description
Default
2’b00
2’b01
2’b00
2’b00
2’b00
2’b00
2’b00
2’b00
ADMtek Inc.
3-39
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