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ads1232重复上电,有采集不到数据的情况

Other Parts Discussed in Thread: ADS1232

ads1232重复上电,有时数据采集不到,通道一,和通道二都没有数据,当没有数据时,用stm32f103vct6,重新复位PDWN脚,仍然没有接受不到数据,感觉ads1232死掉了。看过你们资料里的PDWN上电拉高要晚于DVDD或AVDD10us。附上电路图和stm32的初始化和驱动程序。我是一个stm32单片机采集4个ads1232芯片,采集8路ad信号。

部分电路和代码.rar