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APPARATUS OF COMMUNICATION SPEED CALIBRATION FOR STABLE SERIAL COMMUNICATION, AND ILLUMINATION MODULE APPARATUS AND STATIC DISPLAY SYSTEM BASED SERIAL COMMUNICATION USING THE SAME
APPARATUS OF COMMUNICATION SPEED CALIBRATION FOR STABLE SERIAL COMMUNICATION, AND ILLUMINATION MODULE APPARATUS AND STATIC DISPLAY SYSTEM BASED SERIAL COMMUNICATION USING THE SAME
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机译:稳定串行通信的通信速度校准装置,基于该装置的照明模块装置和基于静态显示系统的串行通信
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摘要
PURPOSE: An apparatus of communication speed calibration for stable serial communication and an illumination module and a static display system based on serial communication using the same are provided to calibrate a communication speed of a plurality of serial communication devices without using a high precision oscillator like a crystal oscillator. CONSTITUTION: An apparatus of communication speed calibration(32) comprises a reference communication speed acquisition unit(321) and a communication speed calibration unit(322). The reference communication speed acquisition unit obtains a reference communication speed for communication speed calibration from serially inputted received data. The reference communication speed acquisition unit comprises a synchronous signal detecting unit(3211), a first clock arithmometer(3212), and a reference speed calculator(3213). An oscillator(30) offers an oscillation signal having a fixed frequency.
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