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W83C42 +BOM

Peripheral Misc, Keyboard Controller

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W83C42 General Description

The W83C42 keyboard controller is programmed to support the IBM-compatible personal computer keyboard serial interface. The keyboard controller receives serial data from the keyboard, checks the parity of the data, translates the scan code, and presents the data to the system as a byte of data in its output buffer. The controller will interrupt the system when data is placed in its output buffer. The byte of data will be sent to the keyboard serially with an odd parity bit automatically inserted. The keyboard is required to acknowledge all data transmissions. No transmission should be sent to the keyboard until acknowledge is received for the previous byte sent.

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Key Features

  • Supports IBM PC/AT 386DX/SX and 486 DX/SX system designs
  • Runs much faster than traditional keyboard controllers
  • Host interface compatible with traditional keyboard controller
  • 6MHz~12MHz operating frequency
  • Communicates with keyboard directly
  • High-reliability CMOS technology
  • Available packages: 40-pin DIP, 44-pin PLCC

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Ratings and Reviews

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M
M**i 08/18/2023

Great quality congratulations

6
O
O**a 12/16/2021

Shipping think quicker so surprised.Still use this but well and happy.Curious to buy saw. ㅎ ^ ^

2
L
L**y 03/31/2021

Led quickly, looks new. I haven't checked yet.

4
J
J**k 01/17/2021

Jay and his team are really nice to work with.

4

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