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LPC47B27X Datasheet(PDF) 4 Page - SMSC Corporation

No. de pieza LPC47B27X
Descripción Electrónicos  100 PIN ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE
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Fabricante Electrónico  SMSC [SMSC Corporation]
Página de inicio  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47B27X Datasheet(HTML) 4 Page - SMSC Corporation

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SMSC LPC47B27x
- 4 -
Rev. 08-10-04
DATASHEET
TABLE OF CONTENTS
FEATURES..................................................................................................................................................................1
GENERAL DESCRIPTION .......................................................................................................................................7
PIN CONFIGURATION.............................................................................................................................................8
DESCRIPTION OF PIN FUNCTIONS.....................................................................................................................9
BUFFER TYPE DESCRIPTIONS .................................................................................................................................13
PINS THAT REQUIRE EXTERNAL PULLUP RESISTORS ............................................................................................13
BLOCK DIAGRAM...................................................................................................................................................14
REFERENCE DOCUMENTS..................................................................................................................................14
3 VOLT OPERATION / 5 VOLT TOLERANCE ...................................................................................................14
POWER FUNCTIONALITY ...................................................................................................................................15
VCC POWER............................................................................................................................................................15
VTR SUPPORT.........................................................................................................................................................15
INTERNAL PWRGOOD ...........................................................................................................................................15
32.768 KHZ TRICKLE CLOCK INPUT........................................................................................................................15
INDICATION OF 32KHZ CLOCK.................................................................................................................................16
TRICKLE POWER FUNCTIONALITY ...........................................................................................................................16
VREF PIN ................................................................................................................................................................17
MAXIMUM CURRENT VALUES ..................................................................................................................................17
POWER MANAGEMENT EVENTS (PME/SCI)...........................................................................................................18
FUNCTIONAL DESCRIPTION...............................................................................................................................19
SUPER I/O REGISTERS......................................................................................................................................19
HOST PROCESSOR INTERFACE (LPC) .........................................................................................................19
LPC INTERFACE ..................................................................................................................................................19
FLOPPY DISK CONTROLLER..............................................................................................................................23
FDC INTERNAL REGISTERS.............................................................................................................................23
COMMAND SET/DESCRIPTIONS........................................................................................................................37
INSTRUCTION SET .................................................................................................................................................39
FDC SWAP BIT ........................................................................................................................................................55
SERIAL PORT (UART) ...........................................................................................................................................56
INFRARED INTERFACE........................................................................................................................................69
IR TRANSMIT PINS ...................................................................................................................................................69
MPU-401 MIDI UART..............................................................................................................................................70
OVERVIEW................................................................................................................................................................70
HOST INTERFACE ......................................................................................................................................................70
MPU-401 COMMAND CONTROLLER .........................................................................................................................73
MIDI UART.............................................................................................................................................................73
MPU-401 CONFIGURATION REGISTERS....................................................................................................................74


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