HT6542B

Keyboard Controller

Holtek Semiconductor Inc

HT6542B Features

* High reliability MOS technology 8042-type host interface 6MHz-12MHz operating frequency Communicates with keyboard directly Provides enhanced Gate A20 switching Support PS/2 compatible mouse Auto-detect AT and PS/2 mot

HT6542B General Description

The HT6542B is a keyboard controller developed by Holtek with a 4-bit microprocessor. It is pin-to-pin compatible with Intel 8042 keyboard controller used in IBM PC’s. PC manufacturers need not modify any printed wiring layout when using the HT6542B in lieu of the Intel 8042 based keyboard controlle.

HT6542B Datasheet (305.91 KB)

HT6542B Datasheet Preview — Preview of HT6542B PDF

Datasheet Details

Part number:

HT6542B

Manufacturer:

Holtek Semiconductor Inc

File Size:

305.91 KB

Description:

Keyboard controller.

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HT6542B Keyboard Controller Holtek Semiconductor Inc

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HT6542B Features

HT6542B General Description

Datasheet Details

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