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SC83053 Datasheet

  • SC83053

  • KEYBOARD ENCODER

  • 27頁

  • ETC

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Silan
Semiconductors
KEYBOARD ENCODER
DESCRIPTION
The SC83053 is dedicated to a keyboard encoder, specially
designed for IBM PC AT and all compatible machines. The
SC83053 control 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.
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SC83053
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FEATURES
鈥?Low cost - eliminate need external components.
鈥?Phantom key detects.
鈥?RC oscillator (1.8432MHz ).
鈥?Support scan code set 1, 2 and 3.
鈥?Support PC AT and PS/2 keyboard.
鈥?Low power CMOS device technology.
鈥?Internal pull-up resistor.
鈥?Tri-state outputs for easy board application.
鈥?Built-in 4K ROM.
鈥?Support WINDOWS
TM
95, 98, 2000 keys.
鈥?104/107 keys with multi-media or other special application
keyboard encoder.
鈥?WINDOWS is registered trademarks of Microsoft corperation.
Chip Topography
APPLICATION
鈥?IBM PC AT or compatible machine
keyboard.
鈥?IBM PS/2 model 30,50,60,80 or
compatible machine keyboard.
鈥?Japanese keyboard.
鈥?Korean keyboard.
鈥?Brazilian keyboard.
鈥?European keyboard.
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2001.11.8.
1

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