Analysis and comparison of data transmission interfaces on microcontrollers

Authors: Katukiya G.T., Dorofeev A.V., Lintvarev D.E.
Published in issue: #7(48)/2020
DOI: 10.18698/2541-8009-2020-7-624
Category: Informatics, Computer Engineering and Control | Chapter: System Analysis, Control, and Information Processing, Statistics
Keywords: data interfaces, microcontroller, master / slave, data packet, UART/USART, SPI, I2C, embedded systems
Published: 29.07.2020

A methodological material has been developed containing basic information about the most popular data transfer protocols used when working with microcontrollers. Such interfaces as UART/USART, SPI, I²C are presented. The main characteristics, principle of operation and connection diagram are considered. A table has been compiled for comparing the characteristics of the above information exchange protocols, including recommendatory comments on the scope of each of them. The article allows to select the interface for data transmission that is optimal under the given conditions, to understand its principle of operation and obtain the minimum necessary information for its implementation.

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