摘要
介绍了高速8位模数转换器AD7820的功能特点,分析了器件的工作时序,给出了AD7820与89C51的硬件接口电路和程序。
Functional characteristics and working process of AD7820, a kind of high speed 8-Bit A/D converter, were introduced in this paper. AD7820°?s conversion timing was discussed briefly. The interface circuit between AD7820 and 89C51 was designed, And software program was given.
出处
《电子质量》
2002年第12期103-104,108,共3页
Electronics Quality
