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LAN91C96TQFP Datasheet(PDF) 3 Page - SMSC Corporation |
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LAN91C96TQFP Datasheet(HTML) 3 Page - SMSC Corporation |
3 / 125 page Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet SMSC LAN91C965v&3v Page 3 Rev. 09/10/2004 DATASHEET TABLE OF CONTENTS Chapter 1 General Description _________________________________________________________________________ 6 Chapter 2 Overview __________________________________________________________________________________ 7 Chapter 3 Pin Configurations_________________________________________________________________________ 10 3.1 Local Bus vs. PCMCIA vs. 68000 Pin Requirements ________________________________________________ 14 Chapter 4 Description of Pin Functions ________________________________________________________________ 16 4.1 Buffer Symbols _______________________________________________________________________________ 20 Chapter 5 Functional Description _____________________________________________________________________ 22 5.1 Buffer Memory _______________________________________________________________________________ 23 5.2 Interrupt Structure____________________________________________________________________________ 30 5.3 Reset Logic___________________________________________________________________________________ 31 5.4 Power Down Logic States_______________________________________________________________________ 31 5.5 LAN91C96 Power Down States __________________________________________________________________ 32 5.6 PCMCIA CONFIGURATION REGISTERS DESCRIPTION ________________________________________ 35 Chapter 6 Frame Format in Buffer Memory for Ethernet __________________________________________________ 37 Chapter 7 Registers Map in I/O Space __________________________________________________________________ 41 7.1 I/O Space Access ______________________________________________________________________________ 41 7.2 I/O Space Registers Description _________________________________________________________________ 41 Chapter 8 Theory of Operation________________________________________________________________________ 65 8.1 Typical Flow of Events for Transmit (Auto Release = 0) _____________________________________________ 67 8.2 Typical Flow of Events for Transmit (Auto Release = 1) _____________________________________________ 68 8.3 Flow of Events for Receive ______________________________________________________________________ 69 Chapter 9 Functional Description of the Blocks __________________________________________________________ 79 9.1 Memory Management Unit _____________________________________________________________________ 79 9.2 Arbiter ______________________________________________________________________________________ 79 9.3 Bus Interface _________________________________________________________________________________ 80 9.4 Wait State Policy ______________________________________________________________________________ 80 9.5 Arbitration Considerations _____________________________________________________________________ 81 9.6 DMA Block __________________________________________________________________________________ 81 9.7 Packet Number FIFOS_________________________________________________________________________ 82 9.8 CSMA Block _________________________________________________________________________________ 84 9.9 Network Interface _____________________________________________________________________________ 85 9.10 10Base-T___________________________________________________________________________________ 86 9.11 AUI _______________________________________________________________________________________ 86 9.12 Physical Interface ___________________________________________________________________________ 86 9.13 Transmit Functions__________________________________________________________________________ 86 9.13.1 Manchester Encoding _______________________________________________________________________ 86 9.13.2 Transmit Drivers ___________________________________________________________________________ 87 9.13.3 Jabber Function____________________________________________________________________________ 87 |
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