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AX88140AP Datasheet(PDF) 2 Page - ASIX Electronics Corporation |
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AX88140AP Datasheet(HTML) 2 Page - ASIX Electronics Corporation |
2 / 46 page AX88140A PRELIMINARY ASIX ELECTRONICS CORPORATION 2 CONTENTS 1.0 INTRODUCTION ................................................................................................................................................ 6 1.1 GENERAL DESCRIPTION: ...................................................................................................................................... 6 1.2 FEATURES ............................................................................................................................................................ 7 1.3 BLOCK DIAGRAM: ............................................................................................................................................... 8 1.4 AX88140AQ PIN CONNECTION DIAGRAM FOR 160-PIN...................................................................................... 9 1.5 AX88140AP PIN CONNECTION DIAGRAM FOR 144-PIN .................................................................................... 10 2.0 SIGNAL DESCRIPTION .................................................................................................................................. 11 2.1 SIGNAL DESCRIPTIONS FOR 160-PIN AND 144-PIN.............................................................................................. 11 2.2 PCI INTERFACE GROUP ...................................................................................................................................... 12 2.3 BOOT ROM , SERIAL ROM , GENERAL-PURPOSE SIGNALS GROUP.................................................................... 14 2.4 MII/SYM/SRL INTERFACE SIGNALS GROUP ...................................................................................................... 14 2.5 EXTENDED , NC, POWER PINS GROUP ................................................................................................................ 16 3.0 CONFIGURATION OPERATION .................................................................................................................. 17 3.1 CONFIGURATION SPACE MAPPING ..................................................................................................................... 17 3.2 CONFIGURATION SPACE..................................................................................................................................... 18 3.2.1 Configuration ID Register (CSID)............................................................................................................ 18 3.2.2 Command and Status Configuration Register (CSCS)............................................................................... 18 3.2.3 Configuration Revision Register (CSRV).................................................................................................. 18 3.2.4 Configuration Latency Timer Register (CSLT)......................................................................................... 18 3.2.5 Configuration Base I/O Address Register (CBIO).................................................................................... 19 3.2.6 Configuration Base Memory Address Register (CBMA) .......................................................................... 19 3.2.7 Expansion ROM Base Address Register (CBER)...................................................................................... 19 3.2.8 Configuration Interrupt Register (CSIT) .................................................................................................. 19 4.0 REGISTERS OPERATION .............................................................................................................................. 20 4.1 REGISTERS MAPPING ......................................................................................................................................... 20 4.2 HOST REGS ....................................................................................................................................................... 21 4.2.1 Bus Mode Register (REG0)........................................................................................................................ 21 4.2.2 Transmit Poll Demand (REG1)................................................................................................................. 21 4.2.3 Receive Poll Demand (REG2)................................................................................................................... 22 4.2.4 Receive List Base Address (REG3) ........................................................................................................... 22 4.2.5 Transmit List Base Address (REG4) ......................................................................................................... 22 4.2.6 Status Register (REG5) ............................................................................................................................. 23 4.2.7 Operation Mode Register (REG6) ............................................................................................................ 24 4.2.8 Interrupt Enable Register (REG7) ............................................................................................................ 26 4.2.9 Missed Frame and Overflow Counter (REG8) ........................................................................................ 26 4.2.10 Serial ROM and MII Management Register (REG9).............................................................................. 27 4.2.11 General-Purpose Timer (REG11)........................................................................................................... 27 4.2.12 General-Purpose Port Register (REG12) ............................................................................................... 28 4.2.13 Filtering Index (REG13) ......................................................................................................................... 28 4.2.14 Filtering data (REG14)........................................................................................................................... 28 5.0 HOST COMMUNICATION.............................................................................................................................. 30 5.1 DESCRIPTOR LISTS AND DATA BUFFERS............................................................................................................ 30 5.2 RECEIVE DESCRIPTORS ...................................................................................................................................... 31 5.2.1 Receive Descriptor 0 (RDES0) .................................................................................................................. 31 5.2.2 Receive Descriptor 1 (RDES1) .................................................................................................................. 32 5.2.3 Receive Descriptor 2 (RDES2) .................................................................................................................. 32 5.2.4 Receive Descriptor 3 (RDES3) .................................................................................................................. 32 5.3 TRANSMIT DESCRIPTORS ................................................................................................................................... 33 5.3.1 Transmit Descriptor 0 (TDES0)................................................................................................................. 33 5.3.2 Transmit Descriptor 1 (TDES1)................................................................................................................. 34 5.3.3 Transmit Descriptor 2 (TDES2)................................................................................................................. 34 5.3.4 Transmit Descriptor 3 (TDES3)................................................................................................................. 34 |
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