"SPI Flash Controller设计与实践:串行外围设备接口优化研究"
Serial Peripheral Interface (SPI) is a high-speed, full-duplex, synchronous communication bus that only occupies four signal lines on a chip, saving space on the PCB layout. SPI Flash is commonly used for storing code or other non-volatile storage applications. The purpose of this design is to create a SPI Flash Controller, acting as a bridge between the upper-level driver and the flash device. The controller receives parallel data and control signals from the upper level, processes them, and sends them serially to the flash device to perform read and write operations. This design is implemented using Verilog HDL language in a Vi editor, and EDA tools are used for compilation, simulation, and debugging. The results are verified on an FPGA. Following completion of the design, an analysis is conducted on functionality, area optimization, and cost reduction. Valuable experience gained from this graduation project is summarized and analyzed. Keywords: Flash Memory, Verilog HDL, Serial, Parallel, FPGA.
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