Datasheet > EM83050

EM83050

更新时间： 2025-07-18 23:50:35

品牌	Logo	应用领域
其他 - ETC		编码器
页数	文件大小	规格书
20页	120K
描述
Keyboard encoder for Windows 95， 98

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数据手册

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EM83050 数据手册

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. 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 WINDOWS^TM95, 98 keys.

• 101/104/107 keys or other special application keyboard encoder.

• WINDOWS is registered trademarks of Microsoft corperation.

APPLICATION

• IBM PC XT/AT or compatible machine keyboard.

• IBM PS/2 model 30,50,60,80 or compatible machine keyboard.

• Japanese keyboard.

• Korean keyboard.

• Brazil keyboard.

PIN ASSIGNMENTS

P91

P92

P93

P94

P95

P50

P51

P52

P53

P54

NUM

SCROLL

P67

P66

P65

EM83050H

P64

P63

P62

P61

P60

* This specification are subject to be changed without notice.

9.16.1999

12 3 4 5 6 7...20

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