Design of Microcontroller Standard SPI Interface

Abstract:

This paper describes a design of high-speed and reusable SPI interface model which is used for Microcontroller. The SPI interface is designed by very simple but universally useful method, used a FIFO to improve transmission speed and supported data serial input and parallel output which other interface didn’t mentioned. The paper analyses the function of every module of SPI interface and standard 8051 microcontroller interface communication protocol, describes the design project of implement SPI logical function. After testbench and FPGA verification, the results indicate that the microcontroller SPI interface function and performance are all achieve design target, many communication tests indicate the design is reliable in performance and more universal.

• Periodical: Applied Mechanics and Materials (Volume 618)
• Pages: 563-568
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.618.563
• Online since: August 2014
• Authors: Li Li Li, Jing Yu He, Yong Peng Zhao, Jian Hong Yang*
• Keywords: FPGA, Microcontroller, Parallel Output, Serial Input, SPI, Synchronous

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