FDC37C935-QS Standard Microsystems (SMSC), FDC37C935-QS Datasheet - Page 2

• Manufacturer Part Number: FDC37C935-QS
• Manufacturer: Standard Microsystems (SMSC)

Specifications of FDC37C935-QS

• Lead Free Status / RoHS Status: Supplier Unconfirmed

TABLE OF CONTENTS
FEATURES ........................................................................................................................................1
GENERAL DESCRIPTION..................................................................................................................3
PIN CONFIGURATION.......................................................................................................................4
DESCRIPTION OF PIN FUNCTIONS .................................................................................................5
FUNCTIONAL DESCRIPTION ..........................................................................................................11
SUPER I/O REGISTERS ..................................................................................................................11
HOST PROCESSOR INTERFACE....................................................................................................11
FLOPPY DISK CONTROLLER .........................................................................................................12
FDC INTERNAL REGISTERS...........................................................................................................12
COMMAND SET/DESCRIPTIONS ....................................................................................................36
INSTRUCTION SET .........................................................................................................................40
SERIAL PORT (UART) .....................................................................................................................66
INFRARED INTERFACE...................................................................................................................80
PARALLEL PORT.............................................................................................................................81
IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ....................................................83
EXTENDED CAPABILITIES PARALLEL PORT .................................................................................89
AUTO POWER MANAGEMENT .....................................................................................................102
INTEGRATED DRIVE ELECTRONICS INTERFACE .......................................................................107
HOST FILE REGISTERS................................................................................................................107
TASK FILE REGISTERS ................................................................................................................107
IDE OUTPUT ENABLES.................................................................................................................108
BIOS BUFFER................................................................................................................................109
GENERAL PURPOSE I/O FUNCTIONAL DESCRIPTION ...............................................................111
8042 KEYBOARD CONTROLLER AND REAL TIME CLOCK FUNCTIONAL DESCRIPTION ...........122
CONFIGURATION..........................................................................................................................137
OPERATIONAL DESCRIPTION......................................................................................................170
MAXIMUM GUARANTEED RATINGS*............................................................................................170
DC ELECTRICAL CHARACTERISTICS ..........................................................................................170
TIMING DIAGRAMS .......................................................................................................................174
ECP PARALLEL PORT TIMING......................................................................................................196
FDC37C93x ERRATA SHEET.........................................................................................................201
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