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CS8900A-CQ3 数据表(PDF) 6 Page - Cirrus Logic |
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CS8900A-CQ3 数据表(HTML) 6 Page - Cirrus Logic |
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6 / 138 page  6 DS271F4 CS8900A Crystal LAN™ Ethernet Controller CIRRUS LOGIC PRODUCT DATASHEET 5.4.1 Overview .............................................................................................................94 5.4.2 Configuring the CS8900A for Auto-Switch DMA .................................................94 5.4.3 Auto-Switch DMA Operation ...............................................................................94 5.4.4 DMA Channel Speed vs. Missed Frames ...........................................................95 5.4.5 Exit From DMA ...................................................................................................96 5.4.6 Auto-Switch DMA Example .................................................................................96 5.5 StreamTransfer ...............................................................................................................96 5.5.1 Overview .............................................................................................................96 5.5.2 Configuring the CS8900A for StreamTransfer ....................................................96 5.5.3 StreamTransfer Operation ..................................................................................96 5.5.4 Keeping StreamTransfer Mode Active ................................................................98 5.5.5 Example of StreamTransfer ................................................................................98 5.5.6 Receive DMA Summary .....................................................................................99 5.6 Transmit Operation ..........................................................................................................99 5.6.1 Overview .............................................................................................................99 5.6.2 Transmit Configuration .......................................................................................99 5.6.2.1 Configuring the Physical Interface .......................................................99 5.6.2.2 Selecting which Events Cause Interrupts ..........................................100 5.6.3 Changing the Configuration ..............................................................................100 5.6.4 Enabling CRC Generation and Padding ...........................................................101 5.6.5 Individual Packet Transmission ........................................................................101 5.6.6 Transmit in Poll Mode .......................................................................................101 5.6.7 Transmit in Interrupt Mode ................................................................................102 5.6.8 Completing Transmission .................................................................................103 5.6.9 Rdy4TxNOW vs. Rdy4Tx ..................................................................................104 5.6.10 Committing Buffer Space to a Transmit Frame ..............................................105 5.6.11 Transmit Frame Length ..................................................................................105 5.7 Full duplex Considerations ............................................................................................105 5.8 Auto-Negotiation Considerations ...................................................................................105 6.0 TEST.....................................................................................................................................107 6.1 TEST MODES ...............................................................................................................107 6.1.1 Loopback & Collision Diagnostic Tests .............................................................107 6.1.2 Internal Tests ....................................................................................................107 6.1.3 External Tests ...................................................................................................107 6.1.4 Loopback Tests ................................................................................................107 6.1.5 10BASE-T Loopback and Collision Tests .........................................................107 6.1.6 AUI Loopback and Collision Tests ....................................................................107 6.2 Boundary Scan ..............................................................................................................108 6.2.1 Output Cycle .....................................................................................................108 6.2.2 Input Cycle ........................................................................................................108 6.2.3 Continuity Cycle ................................................................................................109 7.0 CHARACTERISTICS/SPECIFICATIONS - COMMERCIAL ...............................................112 8.0 CHARACTERISTICS/SPECIFICATIONS - INDUSTRIAL ..................................................123 9.0 PHYSICAL DIMENSIONS ....................................................................................................134 10.0 GLOSSARY OF TERMS ....................................................................................................135 10.1 Acronyms ....................................................................................................................135 10.2 Definitions ....................................................................................................................136 10.3 Acronyms Specific to the CS8900A ............................................................................137 10.4 Definitions Specific to the CS8900A ............................................................................137 10.5 Suffixes Specific to the CS8900A. ...............................................................................138 |
类似零件编号 - CS8900A-CQ3 |
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类似说明 - CS8900A-CQ3 |
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