FDC37C93XAPM datasheet(2/280 Pages) SMSC

2 / 280 page

TABLE OF CONTENTS

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

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

PIN CONFIGURATION.......................................................................................................................5

DESCRIPTION OF PIN FUNCTIONS...........................................................................................6

FUNCTIONAL DESCRIPTION ..........................................................................................................15

SUPER I/O REGISTERS ...........................................................................................................15

HOST PROCESSOR INTERFACE.............................................................................................15

FLOPPY DISK CONTROLLER...................................................................................................16

FDC INTERNAL REGISTERS ....................................................................................................16

INSTRUCTION SET .........................................................................................................................44

SERIAL PORT (UART) .....................................................................................................................70

INFRARED INTERFACE...................................................................................................................85

PARALLEL PORT.............................................................................................................................86

IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES..............................................88

EXTENDED CAPABILITIES PARALLEL PORT ..........................................................................95

AUTO POWER MANAGEMENT .....................................................................................................111

INTEGRATED DRIVE ELECTRONICS INTERFACE .......................................................................116

HOST FILE REGISTERS .........................................................................................................116

TASK FILE REGISTERS..........................................................................................................116

IDE OUTPUT ENABLES ..........................................................................................................117

BIOS BUFFER.........................................................................................................................118

GENERAL PURPOSE I/O FUNCTIONAL DESCRIPTION ...............................................................121

EITHER EDGE TRIGGERED INTERRUPTS ............................................................................135

8042 KEYBOARD CONTROLLER AND REAL TIME CLOCK FUNCTIONAL DESCRIPTION ...........136

SOFT POWER MANAGEMENT......................................................................................................161

SYSTEM MANAGEMENT INTERRUPT (SMI) .................................................................................165

ACCESS.BUS ................................................................................................................................166

ACPI FEATURES ...........................................................................................................................172

CONFIGURATION...................................................................................................................188

OPERATIONAL DESCRIPTION......................................................................................................238

POWER SUPPLY OPERATIONAL MODES .............................................................................242

TIMING DIAGRAMS ................................................................................................................243

ECP PARALLEL PORT TIMING......................................................................................................270

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FDC37C93XAPM Datasheet(PDF) 2 Page - SMSC Corporation