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ADS8515转换完成BUSY引脚检测不到完成信号

Other Parts Discussed in Thread: ADS8515

ADS8515采用CS和RC引脚启动转换,RC为低电平DSP通过读总线命令将CS拉低,BUSY引脚检测到被拉低开始转换,但是BUSY引脚一直检测不到高电平。直到重新读写总线命令,BUSY引脚才会复位,不知道是什么原因,按说BUSY引脚检测到被拉低应该是内部开始转换,为什么检测不到转换完成信号。