參數(shù)資料
型號： LXT974
廠商： Intel Corp.
英文描述： Fast Ethernet 10/100 Quad Transceivers
中文描述： 四10/100快速以太網(wǎng)收發(fā)器
文件頁數(shù)： 3/74頁
文件大小： 1089K
代理商： LXT974
Datasheet
3
Fast Ethernet 10/100 Quad Transceivers — LXT974/LXT975
Contents
1.0
2.0
Pin Assignments and Signal Descriptions
....................................................10
Functional Description
...........................................................................................19
2.1
Introduction..........................................................................................................19
2.2
Network Media / Protocol Support.......................................................................20
2.2.1
10/100 Mbps Network Interface .............................................................20
2.2.1.1 Twisted-Pair Interface ...............................................................20
2.2.1.2 Fiber Interface ...........................................................................21
2.2.2
MII Interface ...........................................................................................21
2.2.2.1 MII Data Interface......................................................................21
2.2.2.2 MII Management Interface ........................................................24
2.2.3
Hardware Control Interface ....................................................................25
2.3
Initialization..........................................................................................................27
2.3.1
MDIO Control Mode ...............................................................................27
2.3.2
Manual Control Mode.............................................................................27
2.3.3
Link Configuration ..................................................................................28
2.4
Auto-Negotiation..................................................................................................29
2.4.1
Parallel Detection...................................................................................29
2.4.2
Controlling Auto-Negotiation ..................................................................29
2.4.3
Monitoring Auto-Negotiation...................................................................29
2.5
100 Mbps Operation............................................................................................30
2.5.1
100BASE-X MII Operations....................................................................30
2.5.2
100BASE-X Network Operations ...........................................................30
2.5.3
100BASE-X Protocol Sublayer Operations ............................................33
2.5.4
PCS Sublayer.........................................................................................33
2.5.4.1 Preamble Handling....................................................................33
2.5.4.2 Data Errors................................................................................34
2.5.4.3 Collision Indication ....................................................................34
2.5.5
PMA Sublayer ........................................................................................35
2.5.5.1 Link............................................................................................35
2.5.5.2 Link Failure Override.................................................................35
2.5.5.3 Carrier Sense (CRS) .................................................................35
2.5.6
Twisted-Pair PMD Sublayer ...................................................................35
2.5.6.1 Scrambler/Descrambler (100TX Only) ......................................35
2.5.6.2 Baseline Wander Correction .....................................................36
2.5.6.3 Polarity Correction.....................................................................36
2.5.7
Fiber PMD Sublayer...............................................................................36
2.6
10 Mbps Operation..............................................................................................36
2.6.1
10BASE-T MII Operation........................................................................36
2.6.2
10BASE-T Network Operations..............................................................36
2.6.2.1 Preamble Handling....................................................................37
2.6.2.2 Link Test....................................................................................37
2.6.2.3 Link Failure................................................................................37
2.6.2.4 SQE (Heartbeat)........................................................................37
2.6.2.5 Jabber .......................................................................................37
2.7
LED Functions.....................................................................................................37
2.7.1
Serial LED Output ..................................................................................38
相關(guān)PDF資料
PDF描述
LXT974A Fast Ethernet 10/100 Quad Transceivers
LXT974AHC Fast Ethernet 10/100 Quad Transceivers
LXT974B Fast Ethernet 10/100 Quad Transceivers
LXT974BHC Fast Ethernet 10/100 Quad Transceivers
LXT975 Fast Ethernet 10/100 Quad Transceivers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LXT974A 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers
LXT974AHC 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers
LXT974B 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers
LXT974BHC 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Fast Ethernet 10/100 Quad Transceivers
LXT974QC 制造商:LEVELONE 功能描述:
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