UR5HC418中文资料先之科数据手册PDF规格书

DESCRIPTION

The DeskCoderTM keyboard encoder functions as a versatile, low-power desktop keyboard encoder, while providing two bi-directional channels for communication with a BIOS-compatible system as well as any optional keyboard-compatible devices, such as a 101/102/104 desktop keyboard, OCR, barcode reader, etc.

FEATURES

• Implements all functions of a 101/102/104 keyboard

• Low-power HCMOS microcontroller, suitable for 3-volt battery-operated systems

• Available in DIP, PLCC and QFP packages

• Custom versions available in small or large quantities

• Interfaces contact switch matrix keyboards to a BIOS-compatible system

• Single IC desktop keyboard encoder

• Provides interface for an external keyboard/keypad or other 8042-compatible devices

• AT / PS/2 - compatible

APPLICATIONS

• Desktop computers

• Instrumentation

• Industrial keyboards

• Point of sales terminals

• Public information kiosks