LPC47B27X Ver la hoja de datos (PDF) - SMSC -> Microchip

Número de pieza

componentes Descripción

Lista de partido

LPC47B27X

100 Pin Enhanced Super I/O Controller with LPC Interface

SMSC -> Microchip 

TABLE OF CONTENTS

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

GENERAL DESCRIPTION .......................................................................................................................................6

PIN CONFIGURATION.............................................................................................................................................7

DESCRIPTION OF PIN FUNCTIONS.....................................................................................................................8

BUFFER TYPE DESCRIPTIONS .................................................................................................................................12

PINS THAT REQUIRE EXTERNAL PULLUP RESISTORS ............................................................................................12

BLOCK DIAGRAM...................................................................................................................................................13

REFERENCE DOCUMENTS..................................................................................................................................13

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

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

VCC POWER............................................................................................................................................................14

VTR SUPPORT.........................................................................................................................................................14

INTERNAL PWRGOOD ...........................................................................................................................................14

32.768 KHZ TRICKLE CLOCK INPUT........................................................................................................................14

INDICATION OF 32KHZ CLOCK.................................................................................................................................15

TRICKLE POWER FUNCTIONALITY ...........................................................................................................................15

VREF PIN ................................................................................................................................................................16

MAXIMUM CURRENT VALUES ..................................................................................................................................16

POWER MANAGEMENT EVENTS (PME/SCI)...........................................................................................................17

FUNCTIONAL DESCRIPTION ...............................................................................................................................18

SUPER I/O REGISTERS......................................................................................................................................18

HOST PROCESSOR INTERFACE (LPC) .........................................................................................................18

LPC INTERFACE ..................................................................................................................................................18

FLOPPY DISK CONTROLLER..............................................................................................................................22

FDC INTERNAL REGISTERS.............................................................................................................................22

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

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

FDC SWAP BIT ........................................................................................................................................................54

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

INFRARED INTERFACE........................................................................................................................................68

IR TRANSMIT PINS ...................................................................................................................................................68

MPU-401 MIDI UART..............................................................................................................................................69

OVERVIEW ................................................................................................................................................................69

HOST INTERFACE ......................................................................................................................................................69

MPU-401 COMMAND CONTROLLER .........................................................................................................................72

MIDI UART.............................................................................................................................................................72

MPU-401 CONFIGURATION REGISTERS....................................................................................................................73

SMSC LPC47B27x

-3-

Rev. 04-17-07

DATASHEET

Share Link: