Research on anti-fast transient interference method of SPI communication between boards

Yong Wei; Wang Li; Quanhai Wang; Yang Liu; Mingchao Yong; Hongguang Shi

doi:10.1117/12.2635412

6 May 2022 Research on anti-fast transient interference method of SPI communication between boards

Yong Wei, Wang Li, Quanhai Wang, Yang Liu, Mingchao Yong, Hongguang Shi

Proceedings Volume 12256, International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2022); 122560T (2022) https://doi.org/10.1117/12.2635412
Event: 2022 International Conference on Electronic Information Engineering, Big Data and Computer Technology, 2022, Sanya, China

Abstract

In view of the data transmission errors that exist when the intelligent distribution terminal AC acquisition board and the CPU board use SPI communication between the boards, and the problems that cannot be completely solved by using only CRC check and configuration register locking methods .The paper focus on the research and analyse of uncertainty of serial communication and the problem of data transmission between boards using SPI communication during the electrical fast transient pulse group interference test, which leads to the abnormal data transmission, Three improvement schemes are proposed: 1) add a booster to the SPI bus; 2) communicate using SPI via USB-SPI conversion chip; 3) communicate using RS-485 via connecting SPI to the TIM4 microprocessor, Comparative test results show that data transmission between boards changes from SPI to RS-485,which can effectively solve the problem of data transmission error between boards.

Citation Download Citation

Yong Wei, Wang Li, Quanhai Wang, Yang Liu, Mingchao Yong, and Hongguang Shi "Research on anti-fast transient interference method of SPI communication between boards", Proc. SPIE 12256, International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2022), 122560T (6 May 2022); https://doi.org/10.1117/12.2635412

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