SMC91C95 Ver la hoja de datos (PDF) - SMSC -> Microchip

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SMC91C95

ISA/PCMCIA Full Duplex Single-Chip Ethernet and Modem Controller with RAM

SMSC -> Microchip 

TABLE OF CONTENTS

FEATURES.......................................................................................................................................................1

PIN CONFIGURATION ....................................................................................................................................3

GENERAL DESCRIPTION...............................................................................................................................4

OVERVIEW ......................................................................................................................................................4

PIN REQUIREMENTS......................................................................................................................................7

DESCRIPTION OF PIN FUNCTIONS..............................................................................................................9

BUFFERTYPES........................................................................................................................................... 17

FUNCTIONAL DESCRIPTION.......................................................................................................................21

INTERRUPT STRUCTURE ............................................................................................................................32

RESET LOGIC.............................................................................................................................................. 33

POWERDOWN LOGIC................................................................................................................................ 34

PCMCIA ATTRIBUTE MEMORY: ADDRESS 0- 7FFEH............................................................................................ 35

PCMCIA CONFIGURATION REGISTERS: ADDRESS 8000-803EH............................................................................. 35

INTERNAL VS EXTERNAL ATTRIBUTE MEMORY MAP.................................................................................................. 36

THEORY OF OPERATION ............................................................................................................................69

“MAGIC PACKET” SUPPORT.................................................................................................................................. 70

INTERNAL VS. EXTERNAL ATTRIBUTE MEMORY MA.P....................................................................... 80

PCMCIA CONFIGURATION REGISTERS DESCRIPTIO.N...................................................................... 82

FUNCTIONAL DESCRIPTION OF THE BLOCK.S..................................................................................... 91

BOARD SETUP INFORMATION............................................................................................................... 100

OPERATIONAL DESCRIPTION..................................................................................................................104

TIMING DIAGRAMS ....................................................................................................................................108

Related Documentation

1. PCMCIA 2.1 Standard (for PCMCIA timing and functionality)

2. PCMCIA 3.X spec (for multi-function extensions)

3. AT&T HSM288xCF Modem Chip Set Data Sheet - July 5, 1994

4. Rockwell RC224ATF and C39 Modem Chip Sets Designer’s Guide

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