TABLE OF CONTENTS
FEATURES ...................................................................................................................................... 1
GENERAL DESCRIPTION................................................................................................................ 3
PIN CONFIGURATION...................................................................................................................... 4
DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 5
FUNCTIONAL DESCRIPTION ........................................................................................................ 19
SUPER I/O REGISTERS.............................................................................................................19
HOST PROCESSOR INTERFACE ............................................................................................. 19
FLOPPY DISK CONTROLLER ................................................................................................... 20
FLOPPY DISK CONTROLLER INTERNAL REGISTERS .............................................................20
COMMAND SET/DESCRIPTIONS .................................................................................................. 44
INSTRUCTION SET ........................................................................................................................ 47
PARALLEL PORT FLOPPY DISK CONTROLLER.............................................................................73
SERIAL PORT (UART) .................................................................................................................... 75
INFRARED INTERFACE...................................................................................................................89
PARALLEL PORT........................................................................................................................... 90
IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ................................................92
EXTENDED CAPABILITIES PARALLEL PORT............................................................................98
AUTO POWER MANAGEMENT .....................................................................................................111
INTEGRATED DRIVE ELECTRONICS INTERFACE ..................................................................... 116
CONFIGURATION......................................................................................................................... 120
OPERATIONAL DESCRIPTION..................................................................................................... 134
MAXIMUM GUARANTEED RATINGS....................................................................................... 134
DC ELECTRICAL CHARACTERISTICS................................................................................... 134
TIMING DIAGRAMS ...................................................................................................................... 137
ECP PARALLEL PORT TIMING ................................................................................................154
100 PIN QFP PACKAGE OUTLINE ............................................................................................... 159
100 PIN TQFP PACKAGE OUTLINE ............................................................................................ 160
100 PIN TQFP PIN CONFIGURATION ...........................................................................................161
80 Arkay Drive
Hauppauge, NY 11788
(516) 435-6000
FAX (516) 273-3123
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