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A Method of High-speed Communication Between PC and DSP Based on Dual-port RAM

Lanbin Shi

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Abstract

A method of dual-port RAM used in the interface between Digital Signal Processors and PC is presented,in order to make sure the DSP communicating with PC in a high speed. The principle and operating rule of CY7C025 is introduced. According to the design,the interface circuit and flow chart is also presented. Three methods are discussed to prevent the conflict of two sys-tems,according to the way to exchanging the data between both sides.

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What this paper is about

A method of dual-port RAM used in the interface between Digital Signal Processors and PC is presented,in order to make sure the DSP communicating with PC in a high speed. The principle and operating rule of CY7C025 is introduced. According to the design,the interface circuit and flow chart is also presented. Three methods are discussed to prevent the conflict of two sys-tems,according to the way to exchanging the data between both sides.

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Available abstract

A method of dual-port RAM used in the interface between Digital Signal Processors and PC is presented,in order to make sure the DSP communicating with PC in a high speed. The principle and operating rule of CY7C025 is introduced. According to the design,the interface circuit and flow chart is also presented. Three methods are discussed to prevent the conflict of two sys-tems,according to the way to exchanging the data between both sides.

Key concepts: Computer science, Interface (matter), Digital signal processing, Computer hardware, Port (circuit theory), Serial port, Flow chart, Digital signal processor

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