LXT9785 データシートの表示（PDF） - Intel
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LXT9785 Datasheet PDF : 226 Pages
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Contents
Contents
1.0 Introduction.................................................................................................................................. 18
1.1 What You Will Find in This Document ................................................................................ 18
1.2 Related Documents ............................................................................................................ 18
2.0 Block Diagram ............................................................................................................................. 19
3.0 Pin/Ball Assignments and Signal Descriptions ........................................................................ 20
3.1 PQFP Pin Assignments ...................................................................................................... 20
3.1.1 PQFP Pin Assignments – RMII Configuration ....................................................... 21
3.1.2 PQFP Pin Assignments – SMII Configuration........................................................ 26
3.1.3 PQFP Pin Assignments – SS-SMII Configuration.................................................. 31
3.2 PQFP Signal Descriptions .................................................................................................. 36
3.2.1 Signal Name Conventions ..................................................................................... 36
3.2.2 PQFP Signal Descriptions – RMII, SMII, and SS-SMII Configurations.................. 36
3.3 BGA23 Ball Assignments.................................................................................................... 51
3.3.1 RMII BGA23 Ball List ............................................................................................. 52
3.3.2 SMII BGA23 Ball List ............................................................................................. 62
3.3.3 SS-SMII BGA23 Ball List ....................................................................................... 72
3.4 BGA23 Signal Descriptions ................................................................................................ 82
3.4.1 Signal Name Conventions ..................................................................................... 82
3.4.2 Signal Descriptions – RMII, SMII, and SS-SMII Configurations............................. 82
3.5 BGA15 Ball Assignments.................................................................................................... 98
3.5.1 BGA15 Ball List...................................................................................................... 99
3.6 BGA15 Signal Descriptions ..............................................................................................109
3.6.1 Signal Name Conventions ...................................................................................109
3.6.2 Signal Descriptions – SMII and SS-SMII Configurations .....................................109
4.0 Functional Description..............................................................................................................116
4.1 Introduction .......................................................................................................................116
4.1.1 OSP™ Architecture .............................................................................................116
4.1.2 Comprehensive Functionality ..............................................................................117
4.1.2.1 Sectionalization ....................................................................................117
4.2 Interface Descriptions .......................................................................................................117
4.2.1 10/100 Network Interface.....................................................................................117
4.2.1.1 Twisted-Pair Interface ..........................................................................118
4.2.1.2 MDI Crossover (MDIX).........................................................................119
4.2.1.3 Fiber Interface......................................................................................119
4.3 Media Independent Interface (MII) Interfaces...................................................................119
4.3.1 Global MII Mode Select .......................................................................................119
4.3.2 Internal Loopback ................................................................................................120
4.3.3 RMII Data Interface..............................................................................................120
4.3.4 Serial Media Independent Interface (SMII) and Source Synchronous-
Serial Media Independent Interface (SS-SMII) ....................................................121
4.3.4.1 SMII Interface.......................................................................................121
4.3.4.2 Source Synchronous-Serial Media Independent Interface ..................121
4.3.5 Configuration Management Interface ..................................................................121
4.3.6 MII Isolate ............................................................................................................121
Datasheet
3
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
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