KB3930 Ver la hoja de datos (PDF) - Unspecified

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KB3930

Keyboard Controller

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KB3930 Keyboard Controller Datasheet

4.18.2 GPWU Registers Description ..........................................................141

4.18.3 GPWU Programming Sample ..........................................................146

4.19 SYSTEM MANAGEMENT BUS CONTROLLER (SMBUS) ....................................147

4.19.1 SMBus Function Description ..........................................................147

4.19.2 SMBus Register Description ...........................................................149

4.20 8051 MICROPROCESSOR.............................................................................154

4.20.1 8051 Microprocessor Function Description...................................154

4.20.2 8051 Microprocessor Instruction ....................................................155

4.20.3 8051 Interrupt Controller .................................................................159

4.20.4 Interrupt Enable/Flag Table .............................................................160

4.20.5 8051 Special Function Register (SFR)............................................162

4.20.6 8051 Microprocessor Register Description ...................................163

5. ELECTRICAL CHARACTERISTICS ...............................................................170

5.1 ABSOLUTE MAXIMUM RATING ........................................................................170

5.2 DC ELECTRICAL CHARACTERISTICS ...............................................................170

BQCZ16HIV ..................................................................................................170

BQC04HIV ....................................................................................................170

BQCW16HIV ................................................................................................. 171

BCC16HI ....................................................................................................... 171

BQC04HI ....................................................................................................... 172

IQTHI (ADC cell) ..........................................................................................172

OCT04H (DAC cell) ......................................................................................172

BQC08HIV ....................................................................................................173

BQC04HIVPECI ............................................................................................173

5.3 A/D & D/A CHARACTERISTICS .......................................................................174

5.5 OPERATING CURRENT ...................................................................................175

5.6 PACKAGE THERMAL INFORMATION..................................................................175

5.7 AC ELECTRICAL CHARACTERISTICS ...............................................................176

5.7.1 SPI Flash Timing ................................................................................176

5.7.2 LPC interface Timing .........................................................................177

5.7.3 PS/2 interface Timing.........................................................................179

5.7.4 SMBus interface Timing ....................................................................180

2. SMBUS frequencry dependant...........................................................180

5.7.5 PECI interface Timing ........................................................................181

5.7.6 OWM interface Timing .......................................................................182

6. PACKAGE INFORMATION .............................................................................183

Copyright©2010, ENE Technology Inc.

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