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.
• 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.