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CS8900A-IQ Arkusz danych(PDF) 6 Page - Cirrus Logic |
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CS8900A-IQ Arkusz danych(HTML) 6 Page - Cirrus Logic |
6 / 137 page 6 DS271PP4 CS8900A Crystal LAN™ ISA Ethernet Controller CIRRUS LOGIC PRODUCT DATASHEET 5.5.1 TOverview ...........................................................................................................92 5.5.2 TConfiguring the CS8900A for Auto-Switch DMA ...............................................93 5.5.3 TAuto-Switch DMA Operation ..............................................................................93 5.5.4 TDMA Channel Speed vs. Missed Frames ..........................................................94 5.5.5 TExit From DMA ..................................................................................................94 5.5.6 TAuto-Switch DMA Example ...............................................................................95 5.6 StreamTransfer ................................................................................................................95 5.6.1 TOverview ...........................................................................................................95 5.6.2 TConfiguring the CS8900A for StreamTransfer ...................................................95 5.6.3 TStreamTransfer Operation .................................................................................95 5.6.4 TKeeping StreamTransfer Mode Active ...............................................................95 5.6.5 TExample of StreamTransfer ...............................................................................97 5.6.6 TReceive DMA Summary ....................................................................................97 5.7 Transmit Operation ...........................................................................................................98 5.7.1 TOverview ...........................................................................................................98 5.7.2 TTransmit Configuration ......................................................................................98 5.7.2.1 Configuring the Physical Interface .......................................................98 5.7.2.2 Selecting which Events Cause Interrupts ............................................98 5.7.3 TChanging the Configuration ...............................................................................98 5.7.4 TEnabling CRC Generation and Padding ............................................................99 5.7.5 TIndividual Packet Transmission .........................................................................99 5.7.6 TTransmit in Poll Mode ......................................................................................100 5.7.7 TTransmit in Interrupt Mode ..............................................................................100 5.7.8 TCompleting Transmission ................................................................................101 5.7.9 TRdy4TxNOW vs. Rdy4Tx ................................................................................101 5.7.10 TCommitting Buffer Space to a Transmit Frame .............................................101 5.7.11 TTransmit Frame Length .................................................................................104 5.8 Full duplex Considerations .............................................................................................104 5.9 Auto-Negotiation Considerations ....................................................................................104 6.0 TEST MODES ......................................................................................................................105 6.0.1 TLoopback & Collision Diagnostic Tests ...........................................................105 6.0.2 TInternal Tests ...................................................................................................105 6.0.3 TExternal Tests .................................................................................................105 6.0.4 TLoopback Tests ...............................................................................................105 6.0.5 T10BASE-T Loopback and Collision Tests ........................................................105 6.0.6 TAUI Loopback and Collision Tests ...................................................................105 6.1 Boundary Scan ...............................................................................................................106 6.1.1 TOutput Cycle ....................................................................................................106 6.1.2 TInput Cycle ......................................................................................................106 6.1.3 TContinuity Cycle ...............................................................................................107 7.0 T CHARACTERISTICS/SPECIFICATIONS - COMMERCIAL .............................................110 8.0 T CHARACTERISTICS/SPECIFICATIONS - INDUSTRIAL ................................................121 9.0 PHYSICAL DIMENSIONS ....................................................................................................132 10.0 GLOSSARY OF TERMS ....................................................................................................133 10.1 Acronyms .....................................................................................................................133 10.2 Definitions .....................................................................................................................134 10.3 Acronyms Specific to the CS8900A .............................................................................135 10.4 Terms Specific to the CS8900A ...................................................................................135 10.5 Suffixes Specific to the CS8900A. ................................................................................136 11.0 REVISION HISTORY ..........................................................................................................137 |
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