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DESCRIPTION The FlexiCoderTM is a versatile, low-power keyboard encoder. It offers two bi-directional channels for communicating with a PC/XT/AT/PS2 system, and/or any optional keyboard-compatible devices, such as an 83 or 101/102 standard desktop keyboard, OCR, barcode reader, etc. The K25C81 directly interfaces a PC keyboard port, making custom keyboard to system communications fully transparent. FEATURES • Enables custom keypad scan codes to remain unaffected by the Shift States of an external keyboard • Includes jumper-selectable autorepeat for designated keys • Offers two-key inhibit scanning mode • Directly interfaces a PC keyboard port • Encodes up to 144 custom keys on an 8 X 18 matrix • Buffers up to 122 keycodes • Interfaces to 83/101/102 standard keyboard or other 8042-compatible device APPLICATIONS • Custom keyboards/keypads • Control panels • Automatic teller machines • Embedded control systems • Public Information Kiosks • Instrumentation • Test and Measurement equipment • Point of Sales terminals • Industrial Controllers • Medical Instruments
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