FDC37C665GT(1994) Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC37C665GT
(Rev.:1994)

High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers

SMSC -> Microchip 

Ÿ Supports Four Floppy Drives Directly

(Standard and Enhanced Modes)

Ÿ General Purpose 11 Bit Address Decoder

Ÿ Game Port Select Logic (FDC37C666GT

Only)

Ÿ 100 Pin QFP Package

TABLE OF CONTENTS

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

GENERAL DESCRIPTION................................................................................................................ 3

PIN CONFIGURATION...................................................................................................................... 4

DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 5

FUNCTIONAL DESCRIPTION ........................................................................................................ 22

SUPER I/O REGISTERS ...........................................................................................................22

HOST PROCESSOR INTERFACE............................................................................................ 22

FLOPPY DISK CONTROLLER.................................................................................................. 23

FLOPPY DISK CONTROLLER INTERNAL REGISTERS ............................................................23

COMMAND SET/DESCRIPTIONS .................................................................................................. 46

INSTRUCTION SET ........................................................................................................................ 50

PARALLEL PORT FLOPPY DISK CONTROLLER.............................................................................76

SERIAL PORT (UART) .................................................................................................................... 78

PARALLEL PORT........................................................................................................................... 92

IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES...............................................94

EXTENDED CAPABILITIES PARALLEL PORT ........................................................................100

INTEGRATED DRIVE ELECTRONICS INTERFACE ..................................................................... 113

CONFIGURATION......................................................................................................................... 117

OPERATIONAL DESCRIPTION..................................................................................................... 131

MAXIMUM GUARANTEED RATINGS ..................................................................................... 131

DC ELECTRICAL CHARACTERISTICS ................................................................................. 131

TIMING DIAGRAMS ...................................................................................................................... 134

ECP PARALLEL PORT TIMING...............................................................................................147

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