ADS1247 模拟SPI 读取寄存器数据,读取的数据每次都一样。比对过时序,程序没有问题。示波器抓取的波形显示命令已经发出,试了好几块板子都是这样。
PS:START 引脚已经拉高
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ADS1247 模拟SPI 读取寄存器数据,读取的数据每次都一样。比对过时序,程序没有问题。示波器抓取的波形显示命令已经发出,试了好几块板子都是这样。
PS:START 引脚已经拉高