FDC37N958FRTQFP 查看數據表（PDF） - SMSC -> Microchip

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FDC37N958FRTQFP

Notebook I/O Controller with Enhanced Keyboard and System Control

SMSC -> Microchip 

GENERAL PURPOSE I/O (GPIO) ....................................................................................................... 197

MULTIPLEXED PINS .......................................................................................................................... 203

REAL TIME CLOCK ............................................................................................................................ 209

VCC1 POR........................................................................................................................................... 211

INTERNAL REGISTERS ..................................................................................................................... 212

TIME CALENDAR AND ALARM ......................................................................................................... 213

UPDATE CYCLE ................................................................................................................................. 214

CONTROL AND STATUS REGISTERS .............................................................................................. 215

INTERRUPTS ...................................................................................................................................... 220

FREQUENCY DIVIDER ....................................................................................................................... 220

PERIODIC INTERRUPT SELECTION ................................................................................................. 220

POWER MANAGEMENT..................................................................................................................... 221

ACCESS.BUS...................................................................................................................................... 222

BACKGROUND ................................................................................................................................... 222

REGISTER DESCRIPTION ................................................................................................................. 223

PS/2 DEVICE INTERFACE.................................................................................................................. 229

PS/2 LOGIC OVERVIEW..................................................................................................................... 229

SERIAL INTERRUPTS ........................................................................................................................ 233

FDC37N958FR CONFIGURATION ..................................................................................................... 238

CONFIGURATION ELEMENTS........................................................................................................... 238

TYPICAL SEQUENCE OF CONFIGURATION OPERATION.............................................................. 239

CONFIGURATION REGISTERS ......................................................................................................... 241

OPEN MODE REGISTERS.................................................................................................................. 266

SMSC DS – FDC37N958FR

Rev. 09/01/99

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