FDC37B727 datasheet(3/244 Pages) SMSC

Il numero della parte	FDC37B727

Spiegazioni elettronici	128 Pin Enhanced Super I/O Controller with ACPI Support

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Produttore elettronici	SMSC [SMSC Corporation]

Homepage	http://www.smsc.com

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TABLE OF CONTENTS

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

GENERAL DESCRIPTION................................................................................................................. 5

DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 7

BUFFER TYPE DESCRIPTIONS........................................................................................ 10

GENERAL PURPOSE I/O PINS....................................................................................................... 11

REFERENCE DOCUMENTS ........................................................................................................... 12

FUNCTIONAL DESCRIPTION ......................................................................................................... 14

SUPER I/O REGISTERS.................................................................................................... 14

HOST PROCESSOR INTERFACE ..................................................................................... 14

FLOPPY DISK CONTROLLER ........................................................................................................ 15

FDC INTERNAL REGISTERS.......................................................................................................... 15

COMMAND SET/DESCRIPTIONS ................................................................................................... 38

INSTRUCTION SET ........................................................................................................................ 41

DATA TRANSFER COMMANDS ........................................................................................ 53

CONTROL COMMANDS.................................................................................................... 62

SERIAL PORT (UART) .................................................................................................................... 69

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

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

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

EXTENDED CAPABILITIES PARALLEL PORT ................................................................................ 94

OPERATION.....................................................................................................................102

PARALLEL PORT FLOPPY DISK CONTROLLER...........................................................................107

POWER MANAGEMENT................................................................................................................109

UART POWER MANAGEMENT ........................................................................................113

PARALLEL PORT .............................................................................................................113

INTERNAL PWRGOOD ....................................................................................................113

32.768 KHZ STANDBY CLOCK OUTPUT...........................................................................114

SERIAL IRQ ...................................................................................................................................115

BIOS BUFFER................................................................................................................................120

GENERAL PURPOSE I/O...............................................................................................................121

DESCRIPTION .................................................................................................................121

RUN STATE GPIO DATA REGISTER ACCESS ................................................................122

GPIO CONFIGURATION ..................................................................................................123

WATCH DOG TIMER .....................................................................................................................126

8042 KEYBOARD CONTROLLER DESCRIPTION ..........................................................................128

SOFT POWER MANAGEMENT......................................................................................................136

BUTTON OVERRIDE FEATURE .......................................................................................139

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