KB3930 Ver la hoja de datos (PDF) - Unspecified

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KB3930

Keyboard Controller

Unspecified 

KB3930 Keyboard Controller Datasheet

8042 Keyboard Controller

8 standard 8042 commands processed by hardware.

Each hardware command can be optionally processed by firmware.

Pointing device multiplex mode support.

Fast GA20 and KB reset support.

PS/2 Controller

Support at most 3 external PS/2 devices.

External PS/2 device operation in firmware mode.

Internal Keyboard Matrix (IKB)

18x8 keyboard scan matrix.

Support W2K Internet and multimedia keys.

Support hotkey events defined.

Ghost key cancellation mechanism provided.

Enhanced de-bounce feature added

Embedded Controller (EC)

ACPI Spec 2.0 compliant.

5 standard EC command supported directly by hardware.

Each hardware command can be processed by firmware optionally.

Programmable EC I/O ports, 62h/66h by default.

SMBus Host Controller

4 SMBus interfaces with 2 SMBus controllers

SMBus Spec 2.0 compliant.

Byte mode support.

Slave function support.

Digital-to-Analog Converter (DAC)

4 DAC channels with 8-bit resolution.

All DAC pins can be alternatively configured as GPO (general purpose output)

function.

Copyright©2010, ENE Technology Inc.

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