FDC37M81 SMSC [SMSC Corporation], FDC37M81 Datasheet - Page 3

• Manufacturer Part Number: FDC37M81
• Description: PC98/99 Compliant Enhanced Super I/O Controller with Keyboard/Mouse Wake-Up
• Manufacturer: SMSC [SMSC Corporation]

FEATURES ....................................................................................................................................... 1
GENERAL DESCRIPTION ................................................................................................................ 2
PIN CONFIGURATION...................................................................................................................... 5
DESCRIPTION OF PIN FUNCTIONS ................................................................................................ 6
REFERENCE DOCUMENTS ........................................................................................................... 10
POWER FUNCTIONALITY.............................................................................................................. 12
FUNCTIONAL DESCRIPTION......................................................................................................... 14
FLOPPY DISK CONTROLLER........................................................................................................ 15
SERIAL PORT (UART).................................................................................................................... 68
INFRARED INTERFACE ................................................................................................................. 82
PARALLEL PORT........................................................................................................................... 83
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
Buffer Type Descriptions ............................................................................................................... 9
Description of Multifunction Pins ................................................................................................. 10
VCC Power ................................................................................................................................. 12
VTR Support ............................................................................................................................... 12
Internal PWRGOOD.................................................................................................................... 12
Trickle Power Functionality.......................................................................................................... 13
Maximum Current Values ............................................................................................................ 13
Power Management Events (PME/SCI) ....................................................................................... 13
Super I/O Registers..................................................................................................................... 14
Host Processor Interface ............................................................................................................. 14
FDC Internal Registers ................................................................................................................ 15
Command Set/Descriptions......................................................................................................... 38
Instruction Set............................................................................................................................. 41
IBM XT/AT Compatible, Bi-Directional And Epp Modes................................................................ 85
Extended Capabilities Parallel Port.............................................................................................. 91
Latches On Keyboard And Mouse IRQs .....................................................................................128
Keyboard and Mouse PME Generation .......................................................................................129
TABLE OF CONTENTS
3