ELAN Microelectronics Corp EM83049
The EM83049 microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT,XT and all compatible machines. The EM83049 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.| Part No. | EM83049 |
|---|---|
| Datasheet | EM83049 Download |
| Manufacturer |  ELAN Microelectronics Corp |
| Description | KEYBOARD ENCODER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
FEATURES
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● Low cost - eliminate need external components. Phantom key detects. RC oscillator ( 1.8432MHz ). Support scan code set 1 ,2 and 3. Support PC AT,XT and PS/2 keyboard . Low power CMOS device technology. Internal pull-up resistor. Tri-state outputs for easy board application. 40 Pin DIP package. Built-in 4K ROM. Support WINDOWSTM keys. 101/102/104 keys or other special application keyboard encoder. WINDOWS is registered trademarks of Microsoft corperation. APPLICATION
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● IBM PC/AT,XT or compatible machine keyboard. IBM PS/2 model 30,50,60,80 or compatible machine keyboard. Japanese keyboard. Korean keyboard. PIN ASSIGNMENTS EM83049 VSS NC DATA CLK P90 P91 NC NC XT NC P50 P51 P52 P53 P54 P55 P56 P57 P80 P81 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 OSCO OSCR VDD CAPS NUM SCROLL P67 P66 P65 P64 P63 P62 P61 P60 P87 P86 P85 P84 P83 P82 * This specification are subject to be changed without notice.
