Comparison And Selection of Commonly Used Communication Protocols in Measurement and Control Instruments

Abstract

In the contemporary landscape of economic globalization, the salience of the field of measurement and control has progressively intensified. Simultaneously, the utilization of serial bus technology within instrumentation has witnessed a considerable proliferation. Consequently, the judicious selection of an appropriate serial bus protocol has assumed paramount importance. It is incumbent upon practitioners to consider diverse factors, including the communication principles, performance attributes, and interfacing requirements, when making their choice, to ensure the efficacious and stable operation of their systems. This investigation employs a methodology that amalgamates a comprehensive literature review with experimental comparative analyses to ascertain the optimal suitability of Universal Asynchronous Receiver/Transmitter (UART), Inter-Integrated Circuit (I2C), and Serial Peripheral Interface (SPI) communication protocols across distinct application scenarios. Subsequent to a thorough comparative scrutiny, this study ultimately elucidates the respective merits and demerits of the UART, I2C, and SPI communication protocols, in tandem with their most judicious application contexts. This research endeavor serves to furnish engineers with valuable insights for the judicious selection of serial bus protocols.