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HT6542B Datasheet - Holtek Semiconductor Inc

HT6542B - Keyboard Controller

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 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_HoltekSemiconductorInc.pdf

Preview of HT6542B PDF
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Datasheet Details

Part number:

HT6542B

Manufacturer:

Holtek Semiconductor Inc

File Size:

305.91 KB

Description:

Keyboard controller.

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