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參數(shù)資料
| 型號： | 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)交換機控制器 |
| 文件頁數(shù)： | 37/85頁 |
| 文件大小： | 4222K |
| 代理商： | ADM6926 |
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ADM6926
Function Description
Configuration
Description
Default
0 = The ADM6926 will disable the Check VLAN Group function.
VLAN Group Mode.
1 = The switch is configured to Tagged Based VLAN.
0 = The switch is configured to Port Based VLAN.
Bypass Mode.
1 = The switch is configured to Bypass Mode. The packets will not be modified
when they are transmitted.
0 = The switch is not configured to Bypass Mode.
Force No Tag Mode.
1 = The switch is configured to Force No Tag Mode. In this mode, the ADM6926
will not recognize the VLAN TAG even if they contain a Tag Header.
0 = The switch is not configured to Force No Tag Mode.
Length 1536 Enable bit.
1 = The switch can receive packets of less than 1536 bytes.
0 = The switch can receive packets of less then 1518 bytes.
Fast Management Clock Enable Bit.
1 = The switch will use 10 M clock to configure the phys.
0 = The switch will use 2.5M clock to configure the phys.
Bit[10]
1’b0
1’b1
Bit[11]
Bit[12]
1’b1
Bit [13]
1’b1
1’b0
Bit[14]
3.2.3 Port Configuration Registers (Index: 2h ~ 1bh)
Configuration
Bit [0]
10Base-T Half Duplex Ability in Auto-Negotiation Advertisement Register.
1 = 10Base-T Half Duplex is advertised.
0 = 10Base-T Half Duplex is not advertised.
Bit [1]
10Base-T Full Duplex Ability in Auto-Negotiation Advertisement Register.
1 = 10Base-T Full Duplex is advertised.
0 = 10Base-T Full Duplex is not advertised.
Bit [2]
100Base-TX Half Duplex Ability in Auto-Negotiation Advertisement Register.
1 = 100Base-TX Half Duplex is advertised.
0 = 100Base-TX Half Duplex is not advertised.
Bit [3]
100Base-TX Full Duplex Ability in Auto-Negotiation Advertisement Register.
1 = 100Base-TX Full Duplex is advertised.
0 = 100Base-Tx Full Duplex is not advertised.
Bit [4]
802.3x Flow Control Ability in Full Duplex.
1 =
(1). MAC controller supports Pause Frames when the port is configured to bypass
management function from MDC/MDIO.
(2). If the port is not configured to bypass management function form MDC/MDIO,
then it will be used as the Pause bit in Auto-Negotiation Advertisement Register
and the Pause function will be advertised. If Auto-Negotiation function is disabled,
then this bit is used and Pause is supported.
(3). If the port is not configured to bypass management function from MDC/MDIO
and no PHY is attached to this port, the MAC controller will support Pause Frames
in the full duplex.
0 =
(1). Mac controller doesn’t support Pause Frames when the port is configured to
bypass management function from MDC/MDIO.
(2). If the port is not configured to bypass management function form MDC/MDIO,
then it will be used as the Pause bit in Auto-Negotiation Advertisement Register
and the Pause function will not be advertised. If Auto-Negotiation function is
disabled, then this bit is used and Pause is not supported.
(3). If the port is not configured to bypass management function from MDC/MDIO
and no PHY is attached to this port, the MAC controller will not support Pause
Frames in the full duplex.
ADMtek Inc.
3-21
Description
Default
1’b1
1’b1
1’b1
1’b1
1’b1
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