參數(shù)資料
型號(hào): MVTX2601
廠商: Zarlink Semiconductor Inc.
英文描述: Unmanaged 24-Port 10/100 Mbps Ethernet Switch
中文描述: 非托管的24端口10/100 Mbps以太網(wǎng)交換機(jī)
文件頁(yè)數(shù): 37/91頁(yè)
文件大?。?/td> 686K
代理商: MVTX2601
MVTX2601
Data Sheet
37
Zarlink Semiconductor Inc.
12.2.2 ECR2Pn: Port N Control Register
I
2
C Address: 01B-035; CPU Address:0001+2xN
Accessed by and serial interface and I
2
C (R/W)
Bit [2]
1 - 10 Mbps
0 - 100 Mbps
Bit [4:3]
00 - Automatic Enable Auto Neg. This enables hardware state machine for
auto-negotiation.
01 - Limited Disable auto Neg. This disables hardware for speed auto-
negotiation. Poll MII for link status.
10 - Link Down. Disable auto Neg. state machine and force link down
(disable the port)
11 - Link Up. User ERC1 [2:0] for config.
Bit [5]
Asymmetric Flow Control Enable
0 - Disable asymmetric flow control
1 - Enable asymmetric flow control
Asymmetric Flow Control Enable. When this bit is set and flow control is on
(bit [0] = 0, don't send out a flow control frame. But MAC receiver interprets
and process flow control frames. Default is 0
Bit [7:6]
SS - Spanning tree state Default is 11
00 – Blocking: Frame is dropped
01 - Listening: Frame is dropped
10 - Learning: Frame is dropped. Source MAC address is learned.
11 - Forwarding: Frame is forwarded. Source MAC address is learned.
7
6
5
4
3
2
1
0
QoS Sel
Reserve
DisL
Ftf
Futf
Bit [0]:
Filter untagged frame
(Default 0)
0: Disable
1: All untagged frames from this port are discarded
Bit [1]:
Filter Tag frame
(Default 0)
0: Disable
1: All tagged frames from this port are discarded
Bit [2]:
Learning Disable
(Default 0)
1 Learning is disabled on this port
0 Learning is enabled on this port
Bit [3]:
Must be set to ‘1’
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