2010•Electronic Design EngineeringRequires access

Interface program design of A/D converter CS5550 and microcontroller

WU Zi-xu

Abstract

The interface features of two-channels,two-cost A/D converter CS5550 are analyzed.Using ATmega16 microcontroller as an example,the interface circuit of CS5550 and microcontroller is designed.After analyzing the SPI interface of ATmega16,hardware SPI interface and software-emulated SPI are fully discussed as two methods of interface program design.The corresponding software flowcharts are given.Finally,the two interface modes of CS5550 are compared.

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Key concepts: Microcontroller, Interface (matter), Flowchart, Software, Computer science, Embedded system, Computer hardware, Operating system