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EM83053DH - KEYBOARD ENCODER

General Description

The EM83053DH microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines.

The EM83053DH controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC.

Key Features

  • Low cost - eliminate need external components.
  • Phantom key detects.
  • RC oscillator ( 1.8432MHz ).
  • Support scan code set 1 ,2 and 3.
  • Support PC AT and PS/2 keyboard.
  • Low power CMOS device technology.
  • Internal pull-up resistor.
  • Tri-state outputs for easy board.

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Datasheet Details

Part number EM83053DH
Manufacturer ELAN Microelectronics
File Size 297.63 KB
Description KEYBOARD ENCODER
Datasheet download datasheet EM83053DH Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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EM83053DH KEYBOARD ENCODER GENERAL DESCRIPTION The EM83053DH microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines. The EM83053DH controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components. FEATURES • Low cost - eliminate need external components. • Phantom key detects. • RC oscillator ( 1.8432MHz ). • Support scan code set 1 ,2 and 3. • Support PC AT and PS/2 keyboard . • Low power CMOS device technology. • Internal pull-up resistor. • Tri-state outputs for easy board application. • Built-in 4K ROM. • Support WINDOWS TM 95, 98, 2000, ME keys.