DatasheetsPDF.com

HT6542B

Holtek Semiconductor Inc
Part Number HT6542B
Manufacturer Holtek Semiconductor Inc
Description Keyboard Controller with PS/2
Published Mar 26, 2005
Detailed Description HT6542B Keyboard Controller with PS/2 Features • • • • • • • • High reliability MOS technology 8042-type host interface...
Datasheet PDF File HT6542B PDF File

HT6542B
HT6542B

Overview
HT6542B Keyboard Controller with PS/2 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 motherboard Support 40 pin DIP and 44 pin PLCC packages 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 controller.
Furthermore, the HT6542B can support a s...


Similar Datasheet


Since 2006. D4U Semicon,
Electronic Components Datasheet Search Site. (Privacy Policy & Contact)