37C669 datasheet(2/164 Pages) SMSC

2 / 164 page

TABLE OF CONTENTS

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

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

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

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

FUNCTIONAL DESCRIPTION ............................................................................................................. 17

SUPER I/O REGISTERS.................................................................................................................. 17

HOST PROCESSOR INTERFACE.................................................................................................. 17

FLOPPY DISK CONTROLLER........................................................................................................ 18

FLOPPY DISK CONTROLLER INTERNAL REGISTERS ................................................................ 18

COMMAND SET/DESCRIPTIONS....................................................................................................... 41

INSTRUCTION SET.............................................................................................................................. 45

PARALLEL PORT FLOPPY DISK CONTROLLER ................................................................................ 71

SERIAL PORT (UART) ......................................................................................................................... 73

INFRARED INTERFACE........................................................................................................................ 87

PARALLEL PORT ................................................................................................................................ 88

IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ................................................... 90

EXTENDED CAPABILITIES PARALLEL PORT .............................................................................. 96

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

INTEGRATED DRIVE ELECTRONICS INTERFACE......................................................................... 114

CONFIGURATION .............................................................................................................................. 118

OPERATIONAL DESCRIPTION ......................................................................................................... 137

MAXIMUM GUARANTEED RATINGS........................................................................................... 137

DC ELECTRICAL CHARACTERISTICS....................................................................................... 137

TIMING DIAGRAMS............................................................................................................................ 140

ECP PARALLEL PORT TIMING..................................................................................................... 157

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