Design and Implementation of Single Master Single Slave Serial Peripheral Interface (SPI) on FPGA

This paper presents the design and analysis of a Single Master Single Slave Serial Peripheral Interface (SPI) system implemented on an FPGA. SPI is a communication protocol that enables data transfer between devices by designating master and slave roles. Despite its utility, existing peripheral communication protocols have limitations. While parallel communication requires extensive wiring and is prone to noise and crosstalk, serial communication can be slower, consume more power, and result in lower throughput. This study aims to develop an SPI module optimized for single-slave operation. Simulations conducted using AMD Vivado confirmed the module's functionality, and the design was successfully implemented on a Nexys 4 DDR FPGA board. In conclusion, the Single Master Single Slave SPI module was effectively designed and verified.