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EM83050H - KEYBOARD ENCODER

General Description

The EM83050H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC XT/AT and all compatible machines.

The EM83050H 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 XT/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 EM83050H
Manufacturer ELAN Microelectronics Corp
File Size 116.69 KB
Description KEYBOARD ENCODER
Datasheet download datasheet EM83050H 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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EM83050H KEYBOARD ENCODER ary n i m i l e Pr GENERAL DESCRIPTION The EM83050H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC XT/AT and all compatible machines. The EM83050H 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 XT/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 WINDOWSTM 95, 98 keys.