DM9106 Просмотр технического описания (PDF) - Davicom Semiconductor, Inc.
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DM9106 Datasheet PDF : 92 Pages
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DM9106
3-port switch with PCI Interface
9.3.4 Management Interface - Read Frame Structure.................................................................................. 78
9.3.5 Management Interface - Write Frame Structure .................................................................................. 78
9.4 INTERNAL PHY FUNCTIONS ............................................................................................................................ 79
9.4.1 100Base-TX Operation ........................................................................................................................ 79
9.4.1.1 4B5B Encoder................................................................................................................................... 79
9.4.1.2 Scrambler.......................................................................................................................................... 79
9.4.1.3 Parallel to Serial Converter............................................................................................................... 79
9.4.1.4 NRZ to NRZI Encoder....................................................................................................................... 79
9.4.1.5 MLT-3 Converter............................................................................................................................... 79
9.4.1.6 MLT-3 Driver ..................................................................................................................................... 79
9.4.1.7 4B5B Code Group ............................................................................................................................ 80
9.4.2 100Base-TX Receiver.......................................................................................................................... 81
9.4.2.1 Signal Detect..................................................................................................................................... 81
9.4.2.2 Adaptive Equalization ....................................................................................................................... 81
9.4.2.3 MLT-3 to NRZI Decoder ................................................................................................................... 81
9.4.2.4 Clock Recovery Module.................................................................................................................... 81
9.4.2.5 NRZI to NRZ ..................................................................................................................................... 81
9.4.2.6 Serial to Parallel................................................................................................................................ 81
9.4.2.7 Descrambler...................................................................................................................................... 81
9.4.2.8 Code Group Alignment ..................................................................................................................... 82
9.4.2.9 4B5B Decoder................................................................................................................................... 82
9.4.3 10Base-T Operation ............................................................................................................................ 82
9.4.4 Collision Detection ............................................................................................................................... 82
9.4.5 Carrier Sense....................................................................................................................................... 82
9.4.6 Auto-Negotiation .................................................................................................................................. 82
9.5 AUTO MDIX HP AUTO-MDIX FUNCTIONAL DESCRIPTION ............................................................................... 82
10. DC AND AC ELECTRICAL CHARACTERISTICS......................................................... 84
10.1 ABSOLUTE MAXIMUM RATINGS .................................................................................................................. 84
10.2 OPERATING CONDITIONS ........................................................................................................................ 84
10.3 DC ELECTRICAL CHARACTERISTICS........................................................................................................ 85
10.3 AC CHARACTERISTICS ................................................................................................................................. 86
10.3.1 PCI Clock Specifications Timing........................................................................................................ 86
10.3.2 Power On Reset Timing..................................................................................................................... 86
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Preliminary datasheet
DM9106-DS-P01
July 9, 2009
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