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................................................................................................................................108
INTEGRATED DRIVE ELECTRONICS INTERFACE .............................................................................................. 114
CONFIGURATION.................................................................................................................................................... 118
OPERATIONAL DESCRIPTION............................................................................................................................... 136
MAXIMUM GUARANTEED RATINGS ................................................................................................................ 136
DC ELECTRICAL CHARACTERISTICS ............................................................................................................ 136
TIMING DIAGRAMS ................................................................................................................................................. 139
ECP PARALLEL PORT TIMING ..........................................................................................................................156
2
SMSC [ SMSC CORPORATION ]
