參數(shù)資料
型號(hào)： LXT972A
廠商： Intel Corp.
英文描述： 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
中文描述： 3.3雙速快速以太網(wǎng)收發(fā)器數(shù)據(jù)表
文件頁數(shù)： 68/70頁
文件大?。?/td> 833K
代理商： LXT972A
LXT972A
—
3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
68
Datasheet
Table 50. LED Configuration Register (Address 20, Hex 14)
Bit
Name
Description
Type
1
Default
20.15:12
LED1
Programming
bits
0000 = Display Speed Status (Continuous, Default)
0001 = Display Transmit Status (Stretched)
0010 = Display Receive Status (Stretched)
0011 = Display Collision Status (Stretched)
0100 = Display Link Status (Continuous)
0101 = Display Duplex Status (Continuous)
0110 = Unused
0111 = Display Receive or Transmit Activity (Stretched)
1000 = Test mode- turn LED on (Continuous)
1001 = Test mode- turn LED off (Continuous)
1010 = Test mode- blink LED fast (Continuous)
1011 = Test mode- blink LED slow (Continuous)
1100 = Display Link and Receive Status combined
2
(Stretched)
3
1101 = Display Link and Activity Status combined
2
(Stretched)
3
1110 = Display Duplex and Collision Status combined
(Stretched)
3
1111 = Unused
R/W
0000
20.11:8
LED2
Programming
bits
0000 = Display Speed Status
0001 = Display Transmit Status
0010 = Display Receive Status
0011 = Display Collision Status
0100 = Display Link Status (Default)
0101 = Display Duplex Status
0110 = Unused
0111 = Display Receive or Transmit Activity
1000 = Test mode- turn LED on
1001 = Test mode- turn LED off
1010 = Test mode- blink LED fast
1011 = Test mode- blink LED slow
1100 = Display Link and Receive Status combined
2
(Stretched)
3
1101 = Display Link and Activity Status combined
2
(Stretched)
3
1110 = Display Duplex and Collision Status combined
(Stretched)
3
1111 = Unused
R/W
0100
20.7:4
LED3
Programming
bits
0000 = Display Speed Status
0001 = Display Transmit Status
0010 = Display Receive Status (Default)
0011 = Display Collision Status
0100 = Display Link Status
0101 = Display Duplex Status
0110 = Unused
0111 = Display Receive or Transmit Activity
1000 = Test mode- turn LED on
1001 = Test mode- turn LED off
1010 = Test mode- blink LED fast
1011 = Test mode- blink LED slow
1100 = Display Link and Receive Status combined
2
(Stretched)
3
1101 = Display Link and Activity Status combined
2
(Stretched)
3
1110 = Display Duplex and Collision Status combined
(Stretched)
3
1111 = Unused
R/W
0010
1. R/W = Read /Write
RO = Read Only
LH = Latching High
2. Link status is the primary LED driver. The LED is asserted (solid ON) when the link is up.
The secondary LED driver (Receive or Activity) causes the LED to change state (blink).
3. Combined event LED settings are not affected by Pulse Stretch bit 20.1. These display settings are stretched regardless of
the value of 20.1.
4. Duplex status is the primary LED driver. The LED is asserted (solid ON) when the link is full duplex.
Collision status is the secondary LED driver. The LED changes state (blinks) when a collision occurs.
5. Values are relative approximations. Not guaranteed or production tested.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LXT972ALC 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
LXT972LCHFB8 制造商:LEVEL_ONE 功能描述:
LXT972M 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Single-Port 10/100 Mbps PHY Transceiver
LXT973QC 制造商:Intel 功能描述:LAN Transceiver, Dual, 100 Pin, Plastic, QFP
LXT974 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers
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