LPC47B27X(2004) Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC47B27X
(Rev.:2004)

100 Pin Enhanced Super I/O Controller with LPC Interface

SMSC -> Microchip 

PARALLEL PORT....................................................................................................................................................75

IBM XT/AT COMPATIBLE, BI-DIRECTIONAL AND EPP MODES ..................................................................76

EXTENDED CAPABILITIES PARALLEL PORT.................................................................................................80

PARALLEL PORT FLOPPY DISK CONTROLLER...........................................................................................91

FDC SWAP BIT..........................................................................................................................................................91

FLOPPY ON PARALLEL PORT PIN....................................................................................................................93

POWER MANAGEMENT .......................................................................................................................................94

SERIAL IRQ ..............................................................................................................................................................97

TIMING DIAGRAMS FOR SER_IRQ CYCLE ....................................................................................................97

8042 KEYBOARD CONTROLLER DESCRIPTION .........................................................................................100

LATCHES ON KEYBOARD AND MOUSE IRQS ..........................................................................................................106

KEYBOARD AND MOUSE PME GENERATION ..........................................................................................................107

GENERAL PURPOSE I/O .....................................................................................................................................109

GPIO PINS.............................................................................................................................................................109

EITHER EDGE TRIGGERED INTERRUPTS ..................................................................................................114

LED FUNCTIONALITY .......................................................................................................................................114

WATCH DOG TIMER..........................................................................................................................................114

SYSTEM MANAGEMENT INTERRUPT (SMI) ................................................................................................115

PME SUPPORT.......................................................................................................................................................117

‘WAKE ON SPECIFIC KEY’ OPTION ...............................................................................................................118

FAN SPEED CONTROL AND MONITORING ..................................................................................................120

FAN SPEED CONTROL ...........................................................................................................................................120

FAN TACHOMETER INPUTS ....................................................................................................................................121

SECURITY FEATURE ..........................................................................................................................................124

GPIO DEVICE DISABLE REGISTER CONTROL.......................................................................................................124

DEVICE DISABLE REGISTER ..................................................................................................................................124

GAME PORT LOGIC ............................................................................................................................................124

POWER CONTROL REGISTER ................................................................................................................................126

VREF PIN ..............................................................................................................................................................126

ISA IRQ TO SERIAL IRQ CONVERSION CAPABILITY ...............................................................................127

RUNTIME REGISTERS ........................................................................................................................................128

CONFIGURATION ................................................................................................................................................151

OPERATIONAL DESCRIPTION.........................................................................................................................168

MAXIMUM GUARANTEED RATINGS*............................................................................................................168

DC ELECTRICAL CHARACTERISTICS..........................................................................................................168

TIMING DIAGRAMS ..............................................................................................................................................171

SMSC LPC47B27x

-5-

DATASHEET

Rev. 08-10-04

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