參數(shù)資料
型號(hào)： LXT971A
廠商： Intel Corp.
英文描述： 3.3V Dual-Speed Fast Ethernet PHY Transceiver
中文描述： 3.3雙速快速以太網(wǎng)物理層收發(fā)器
文件頁(yè)數(shù)： 35/90頁(yè)
文件大?。?/td> 568K
代理商： LXT971A
LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
35
3.6.7.1
Operational Loopback
Operational loopback is provided for 10 Mbps half-duplex links when Register bit 16.8 = 0. Data
transmitted by the MAC (TXData) is looped back on the receive side of the MII (RXData).
Operational loopback is not provided for 100 Mbps links, full-duplex links, or when 16.8 = 1.
3.6.7.2
Test Loopback
A test loopback function is provided for diagnostic testing of the LXT971A. During test loopback,
twisted-pair and fiber interfaces are disabled. Data transmitted by the MAC is internally looped
back by the LXT971A and returned to the MAC.
Test loopback is available for both 100BASE-TX and 10BASE-T operation, and is enabled by
setting the following register bits:
Register bit 0.14 = 1
Register bit 0.8 = 1 (full-duplex)
Register bit 0.12 = 0 (disable auto-negotiation).
Test loopback is also available for 100BASE-FX operation. Test loopback in this mode is enabled
by setting Register bit 0.14 = 1 and tying the SD input to an LVPECL logic High value (2.4 V).
Figure 13. Loopback Paths
10T
Loopback
Digital
Block
MII
TX Driver
100X
Loopback
FX Driver
Analog
Block
LXT971A
相關(guān)PDF資料
PDF描述
LXT972A 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
LXT972ALC 3.3V Dual-Speed Fast Ethernet Transceiver Datasheet
LXT972M Single-Port 10/100 Mbps PHY Transceiver
LXT9763 Fast Ethernet 10/100 Hex Transceiver with Full MII
LXT9763HC LAN TRANSCEIVER|HEX|QFP|208PIN|PLASTIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LXT971ABC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN TRANSCEIVER|SINGLE|CMOS|BGA|64PIN|PLASTIC
LXT971ABE 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:3.3V Dual-Speed Fast Ethernet PHY Transceiver
LXT971ALC 制造商:Intel 功能描述:LAN Transceiver, Single, 64 Pin, Plastic, QFP 制造商:Intellon Corporation 功能描述:LAN Transceiver, Single, 64 Pin, Plastic, QFP 制造商:Level One 功能描述:LAN Transceiver, Single, 64 Pin, Plastic, QFP
LXT971ALE 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:3.3V Dual-Speed Fast Ethernet PHY Transceiver
LXT971LC 制造商:Intel 功能描述:
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*