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| 型號： | 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)： | 69/70頁 |
| 文件大?。?/td> | 833K |
| 代理商： | LXT972A |
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3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
—
LXT972A
Datasheet
69
20.3:2
LEDFREQ
5
00 = Stretch LED events to 30 ms.
01 = Stretch LED events to 60 ms.
10 = Stretch LED events to 100 ms.
11 = Reserved.
R/W
00
20.1
PULSE-
STRETCH
0 = Disable pulse stretching of all LEDs.
1 = Enable pulse stretching of all LEDs.
R/W
1
20.0
Reserved
Ignore.
R/W
N/A
Table 51. Transmit Control Register #2 (Address 30)
Bit
Name
Description
Type
2
Default
30.15:11
Reserved
Ignore
R/W
0
30.12
Transmit Low Power
1 = Forces the transmitter into low power mode. Also
forces a zero-differential transmission.
0 = Normal transmission.
R/W
0
30.11:10
Port Rise Time Control
1
00 = 2.7 ns (default is pins TXSLEW<1:0>)
01 = 3.5 ns
10 = 2.3 ns
11 = 2.0 ns
R/W
N/A
30.9:0
Reserved
Ignore
R/W
0
1. Values are relative approximations. Not guaranteed or production tested.
2. R/W = Read/Write
Table 50. LED Configuration Register (Address 20, Hex 14) (Continued)
Bit
Name
Description
Type
1
Default
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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PDF描述 |
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| LXT972ALC | 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet |
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| LXT9763 | Fast Ethernet 10/100 Hex Transceiver with Full MII |
| LXT9763HC | LAN TRANSCEIVER|HEX|QFP|208PIN|PLASTIC |
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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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