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
5.2.5 The Fiber Interface .............................................................................................. 166
5.2.6 LED Circuit........................................................................................................... 167
5.3 Typical Application Circuits............................................................................................... 168
6.0 Test Specifications.................................................................................................................... 173
7.0 Register Definitions................................................................................................................... 199
8.0 Package Specifications............................................................................................................. 221
9.0 Ordering Information................................................................................................................. 227
Figures
1 Intel® LXT9785/LXT9785E Block Diagram ................................................................................. 19
2 Intel® LXT9785 and Intel® LXT9785E RMII 208-Pin PQFP Assignments .................................. 21
3 Intel® LXT9785/LXT9785E SMII 208-Pin PQFP Assignments ................................................... 26
4 Intel® LXT9785/LXT9785E SS-SMII 208-Pin PQFP Assignments ............................................. 31
5 Intel® LXT9785/LXT9785E 241-Ball BGA23 Assignments (Top View)...................................... 51
6 Intel® LXT9785MBC 196-Ball BGA15 Assignments (Top View) ................................................ 98
7 Intel® LXT9785/LXT9785E Interfaces ...................................................................................... 118
8 Intel® LXT9785/LXT9785E Internal Loopback.......................................................................... 120
9 Intel® LXT9785/LXT9785E Management Interface Read Frame Structure.............................. 122
10 Intel® LXT9785/LXT9785E Management Interface Write Frame Structure .............................. 122
11 Intel® LXT9785/LXT9785E Port Address Scheme ................................................................... 123
12 Intel® LXT9785/LXT9785E Interrupt Logic ............................................................................... 124
13 Intel® LXT9785/LXT9785E Initialization Sequence .................................................................. 127
14 Intel® LXT9785/LXT9785E Auto-Negotiation Operation........................................................... 131
15 Intel® LXT9785/LXT9785E Typical SMII Interface Diagram ..................................................... 133
16 Intel® LXT9785/LXT9785E Typical SMII Quad Sectionalization Diagram ................................ 134
17 Intel® LXT9785/LXT9785E 100 Mbps Serial MII Data Flow ..................................................... 135
18 Intel® LXT9785/LXT9785E Serial MII Transmit Synchronization ............................................. 136
19 Intel® LXT9785/LXT9785E Serial MII Receive Synchronization .............................................. 137
20 Intel® LXT9785/LXT9785E Typical SS-SMII Interface Diagram ............................................... 139
21 Intel® LXT9785/LXT9785E Typical SS-SMII Quad Sectionalization Diagram .......................... 140
22 Intel® LXT9785/LXT9785E SS-SMII Transmit Timing .............................................................. 141
23 Intel® LXT9785/LXT9785E SS-SMII Receive Timing ............................................................... 141
24 Intel® LXT9785/LXT9785E RMII Data Flow ............................................................................. 142
25 Intel® LXT9785/LXT9785E Typical RMII Interface Diagram..................................................... 143
26 Intel® LXT9785/LXT9785E Typical RMII Quad Sectionalization Diagram................................ 144
27 Intel® LXT9785/LXT9785E 100BASE-X Frame Format ........................................................... 145
28 Intel® LXT9785/LXT9785E Protocol Sublayers ........................................................................ 146
29 Typical IP Telephone System Connection................................................................................ 152
30 Intel® LXT9785E Negotiation Flow Chart ................................................................................. 156
31 Intel® LXT9785/LXT9785E LED Pulse Stretching .................................................................... 158
32 Intel® LXT9785/LXT9785E RMII Programmable Out-of-Band Signaling.................................. 158
33 LED Circuit ............................................................................................................................... 167
34 Intel® LXT9785/LXT9785E Power and Ground Supply Connections ....................................... 168
35 Intel® LXT9785/LXT9785E Typical Twisted-Pair Interface ....................................................... 169
36 Recommended Intel® LXT9785/LXT9785E-to-3.3 V Fiber Transceiver Interface Circuitry ...... 170
37 Recommended Intel® LXT9785/LXT9785E-to-5 V Fiber Transceiver Interface Circuitry ......... 171
38 ON Semiconductor Triple PECL-to-LVPECL Translator .......................................................... 172
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Datasheet
Document Number: 249241
Revision Number: 007
Revision Date: August 28, 2003
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