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EM83053 - KEYBOARD ENCODER

Description

The EM83053A/BH microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines.

The EM83053A/BH controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC.

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 preview – EM83053

Datasheet Details

Part number EM83053
Manufacturer ELAN Microelectronics Corp
File Size 210.02 KB
Description KEYBOARD ENCODER
Datasheet download datasheet EM83053 Datasheet
Additional preview pages of the EM83053 datasheet.

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Full PDF Text Transcription

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EM83053A/BH KEYBOARD ENCODER GENERAL DESCRIPTION The EM83053A/BH microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines. The EM83053A/BH 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 WINDOWSTM 95, 98, 2000 keys.
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