K25C81-P中文资料先之科数据手册PDF规格书

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