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)： 4/90頁(yè)
文件大?。?/td> 568K
代理商： LXT971A
LXT971A 3.3 V Dual-Speed Fast Ethernet Transceiver
4
Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
3.6.7.2 Test Loopback...................................................................................... 35
100 Mbps Operation......................................................................................................... 36
3.7.1
100BASE-X Network Operations...................................................................... 36
3.7.2
Collision Indication............................................................................................ 38
3.7.3
100BASE-X Protocol Sublayer Operations....................................................... 38
3.7.3.1 PCS Sublayer....................................................................................... 38
3.7.3.2 PMA Sublayer...................................................................................... 41
3.7.3.3 Twisted-Pair PMD Sublayer................................................................ 42
3.7.3.4 Fiber PMD Sublayer............................................................................ 43
10 Mbps Operation........................................................................................................... 43
3.8.1
10BASE-T Preamble Handling.......................................................................... 43
3.8.2
10BASE-T Carrier Sense................................................................................... 43
3.8.3
10BASE-T Dribble Bits..................................................................................... 43
3.8.4
10BASE-T Link Integrity Test........................................................................... 44
3.8.4.1 Link Failure.......................................................................................... 44
3.8.5
10BASE-T SQE (Heartbeat).............................................................................. 44
3.8.6
10BASE-T Jabber .............................................................................................. 44
3.8.7
10BASE-T Polarity Correction.......................................................................... 44
Monitoring Operations ..................................................................................................... 44
3.9.1
Monitoring Auto-Negotiation ............................................................................ 44
3.9.1.1 Monitoring Next Page Exchange......................................................... 45
3.9.2
LED Functions ................................................................................................... 45
3.9.2.1 LED Pulse Stretching........................................................................... 45
Boundary Scan (JTAG1149.1) Functions ........................................................................ 46
3.10.1
Boundary Scan Interface.................................................................................... 46
3.10.2
State Machine..................................................................................................... 46
3.10.3
Instruction Register............................................................................................ 46
3.10.4
Boundary Scan Register (BSR).......................................................................... 46
3.7
3.8
3.9
3.10
4.0
Application Information.................................................................................................................. 48
4.1
4.2
4.3
Magnetics Information ..................................................................................................... 48
Typical Twisted-Pair Interface......................................................................................... 48
The Fiber Interface ........................................................................................................... 52
5.0
Test Specifications.......................................................................................................................... 56
5.1
5.2
Electrical Parameters........................................................................................................ 56
Timing Diagrams.............................................................................................................. 61
6.0
Register Definitions ........................................................................................................................ 71
7.0
Package Specifications.................................................................................................................... 88
8.0
Product Ordering Information......................................................................................................... 90
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