参数资料
型号: ZL50408GDC
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封装: 17 X 17 MM, 1.40 MM HEIGHT, MO-192, LBGA-208
文件页数: 118/144页
文件大小: 1779K
代理商: ZL50408GDC
ZL50408
Data Sheet
75
Zarlink Semiconductor Inc.
Bit [2]
Speed
0 - 100 Mbps (Default)
1 - 10 Mbps
Bits [4:3]
00 - Enable Auto-Negotiation (Default)
This enables hardware state machine for auto-negotiation.
01 - Limited Disable Auto-Negotiation
This disables hardware state machine for speed auto-negotiation (use
ECR1Pn[2:0] for configuration). Hardware will still poll PHY for link status.
10 - Force Link Down
Disable the port. Hardware does not talk to PHY.
11 - Force Link Up
The configuration in ECR1Pn[2:0] is used for (speed/duplex/flow control)
setup. Hardware does not talk to PHY.
Bit [5]
Asymmetric Flow Control Enable.
0 – Disable asymmetric flow control (Default)
1 – Enable Asymmetric flow control
When this bit is set and flow control is on (bit [0] = 0), the device does not send out
flow control frames, but it’s receiver interprets and processes flow control frames.
Bits [7:6]
SS - Spanning tree state (IEEE 802.1D spanning tree protocol)
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. (Default)
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