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LPC47M102S-MC

100 Pin Enhanced Super I/O Controller with LPC Interface for Consumer Applications

SMSC -> Microchip 

TABLE OF CONTENTS

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

ORDERING INFORMATION ....................................................................................................................................2

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

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

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

BUFFER TYPE DESCRIPTIONS .................................................................................................................................10

PINS THAT REQUIRE EXTERNAL PULLUP RESISTORS ............................................................................................11

BLOCK DIAGRAM...................................................................................................................................................12

REFERENCE DOCUMENTS..................................................................................................................................12

3 VOLT OPERATION / 5 VOLT TOLERANCE ..................................................................................................13

POWER FUNCTIONALITY ...................................................................................................................................13

VCC POWER............................................................................................................................................................13

VTR SUPPORT.........................................................................................................................................................13

INTERNAL PWRGOOD ...........................................................................................................................................13

32.768 KHZ TRICKLE CLOCK INPUT........................................................................................................................13

INDICATION OF 32KHZ CLOCK.................................................................................................................................14

TRICKLE POWER FUNCTIONALITY ...........................................................................................................................14

VREF PIN ................................................................................................................................................................15

MAXIMUM CURRENT VALUES ..................................................................................................................................15

POWER MANAGEMENT EVENTS (PME/SCI)...........................................................................................................16

FUNCTIONAL DESCRIPTION ...............................................................................................................................16

SUPER I/O REGISTERS......................................................................................................................................16

HOST PROCESSOR INTERFACE (LPC) .........................................................................................................16

LPC INTERFACE ..................................................................................................................................................17

FLOPPY DISK CONTROLLER .............................................................................................................................21

FDC INTERNAL REGISTERS.............................................................................................................................21

COMMAND SET/DESCRIPTIONS........................................................................................................................36

INSTRUCTION SET .................................................................................................................................................38

SERIAL PORT (UART) ...........................................................................................................................................55

INFRARED INTERFACE........................................................................................................................................66

MPU-401 MIDI UART..............................................................................................................................................67

OVERVIEW ................................................................................................................................................................67

HOST INTERFACE ......................................................................................................................................................68

MPU-401 COMMAND CONTROLLER .........................................................................................................................70

MIDI UART.............................................................................................................................................................71

MPU-401 CONFIGURATION REGISTERS....................................................................................................................71

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