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HT6542B - Keyboard Controller

HT6542B Description

HT6542B Keyboard Controller with PS/2 .
The HT6542B is a keyboard controller developed by Holtek with a 4-bit microprocessor.

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 Applications

* 24 27 P23/MSCO 26 28 TEST 27 30 P10/KBDI General purpose input/output pin for AT I/O motherboard. Keyboard data input pin for PS/2 motherboard General purpose input/output pin for AT I/O motherboard. Mouse data input pin for PS/2 motherboard I/O General purpose input/output pins Keyboard i

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📌 All Tags

Keyboard Controller Holtek Semiconductor Inc
Holtek Semiconductor Inc HT6542B-like datasheet