FDC37M81 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37M81

PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up

SMSC -> Microchip 

TABLE OF CONTENTS

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

GENERAL DESCRIPTION ................................................................................................................ 2

PIN CONFIGURATION...................................................................................................................... 5

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

Buffer Type Descriptions ............................................................................................................... 9

Description of Multifunction Pins ................................................................................................. 10

REFERENCE DOCUMENTS ........................................................................................................... 10

POWER FUNCTIONALITY.............................................................................................................. 12

VCC Power ................................................................................................................................. 12

VTR Support ............................................................................................................................... 12

Internal PWRGOOD.................................................................................................................... 12

Trickle Power Functionality.......................................................................................................... 13

Maximum Current Values ............................................................................................................ 13

Power Management Events (PME/SCI) ....................................................................................... 13

FUNCTIONAL DESCRIPTION......................................................................................................... 14

Super I/O Registers..................................................................................................................... 14

Host Processor Interface ............................................................................................................. 14

FLOPPY DISK CONTROLLER........................................................................................................ 15

FDC Internal Registers ................................................................................................................ 15

Command Set/Descriptions......................................................................................................... 38

Instruction Set............................................................................................................................. 41

SERIAL PORT (UART).................................................................................................................... 68

INFRARED INTERFACE ................................................................................................................. 82

PARALLEL PORT........................................................................................................................... 83

IBM XT/AT Compatible, Bi-Directional And Epp Modes................................................................ 85

Extended Capabilities Parallel Port.............................................................................................. 91

PARALLEL PORT FLOPPY DISK CONTROLLER .........................................................................104

POWER MANAGEMENT ...............................................................................................................106

SERIAL IRQ...................................................................................................................................112

GP INDEX REGISTERS .................................................................................................................116

WATCH DOG TIMER .....................................................................................................................118

8042 KEYBOARD CONTROLLER DESCRIPTION .........................................................................119

Latches On Keyboard And Mouse IRQs .....................................................................................128

Keyboard and Mouse PME Generation .......................................................................................129

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