FDC37B80X SMSC [SMSC Corporation], FDC37B80X Datasheet - Page 3

• Manufacturer Part Number: FDC37B80X
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

TABLE OF CONTENTS
FEATURES ....................................................................................................................................... 1
GENERAL DESCRIPTION................................................................................................................. 4
DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 6
DESCRIPTION OF MULTIFUNCTION PINS .................................................................................... 10
REFERENCE DOCUMENTS ........................................................................................................... 10
FUNCTIONAL DESCRIPTION ......................................................................................................... 12
SUPER I/O REGISTERS ................................................................................................................. 12
HOST PROCESSOR INTERFACE................................................................................................... 12
FLOPPY DISK CONTROLLER ........................................................................................................ 13
FDC INTERNAL REGISTERS.......................................................................................................... 13
COMMAND SET/DESCRIPTIONS ................................................................................................... 36
INSTRUCTION SET ........................................................................................................................ 39
INFRARED INTERFACE.................................................................................................................. 80
PARALLEL PORT............................................................................................................................ 81
IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES .................................................... 83
EXTENDED CAPABILITIES PARALLEL PORT ................................................................................ 89
PARALLEL PORT FLOPPY DISK CONTROLLER...........................................................................102
POWER MANAGEMENT................................................................................................................104
V
SUPPORT ................................................................................................................................104
TR
SERIAL IRQ ...................................................................................................................................110
GP INDEX REGISTERS .................................................................................................................115
WATCH DOG TIMER .....................................................................................................................117
8042 KEYBOARD CONTROLLER DESCRIPTION ..........................................................................118
SYSTEM MANAGEMENT INTERRUPT (SMI) .................................................................................127
PME SUPPORT..............................................................................................................................127
CONFIGURATION..........................................................................................................................128
OPERATIONAL DESCRIPTION......................................................................................................158
MAXIMUM GUARANTEED RATINGS .............................................................................................158
DC ELECTRICAL CHARACTERISTICS ..........................................................................................158
TIMING DIAGRAMS .......................................................................................................................163
ECP PARALLEL PORT TIMING......................................................................................................184
80 Arkay Drive
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