KB3910 Ver la hoja de datos (PDF) - Unspecified

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KB3910

Keyboard Controller

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KB3920 Keyboard Controller Datasheet

Ø General Purpose Timer (GPT)

n Two 16-bit, two 8-bit general purpose timers with 32.768KHz resolution

Ø General Purpose Wake-Up (GPWU)

n All General Purpose Input pins can be configured to generate interrupts or

wake-up events

Ø General Purpose Input/Output (GPIO)

n All outputs can be optionally tri-stated

n All inputs equipped with pull-up, high/low active, edge/level trigger selection

n DAC pins can only be configured as GPO pins (no GPI function embedded)

n ADC pins can only be configured as GPI pins (no GPO function embedded)

Ø Fan Controller (FAN)

n Two fan controllers with tachometer inputs

n Automatic FAN speed control

Ø Power Management

n Sleep State: 8051 Program Counter (PC) stopped

n Deep Sleep State: Stop all internal clocks. Target power consumption ~10uA.

Copyright©2006, ENE Technology Inc.

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