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The Connection Method of Microprocessor With Serial Flash

Weidong Liu

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Abstract

SPI bus is a data bus of synchronal and serial interface,which is characterized by full duplex communication,few signal lines,sim ple protocol,high speed,etc.In this paper,according to the instruction timing of microprocessor and the reading and writing operation of the serial Flash memory SST25VF064C,SPI bus interface is designed,software is used to control the communication between the micro processor and SST25VF064C.Analysis of corresponding simulating waveforms obtained by the ModelSim illustrate the design of the SPI interface is correct.

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What this paper is about

SPI bus is a data bus of synchronal and serial interface,which is characterized by full duplex communication,few signal lines,sim ple protocol,high speed,etc.In this paper,according to the instruction timing of microprocessor and the reading and writing operation of the serial Flash memory SST25VF064C,SPI bus interface is designed,software is used to control the communication between the micro processor and SST25VF064C.Analysis of corresponding simulating waveforms obtained by the ModelSim illustrate the design of the SPI interface is correct.

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Available abstract

SPI bus is a data bus of synchronal and serial interface,which is characterized by full duplex communication,few signal lines,sim ple protocol,high speed,etc.In this paper,according to the instruction timing of microprocessor and the reading and writing operation of the serial Flash memory SST25VF064C,SPI bus interface is designed,software is used to control the communication between the micro processor and SST25VF064C.Analysis of corresponding simulating waveforms obtained by the ModelSim illustrate the design of the SPI interface is correct.

Key concepts: ModelSim, Computer science, Microprocessor, Serial communication, Flash (photography), Computer hardware, Interface (matter), Embedded system

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