从手册看, 只要start 命令后, DRDY 就会根据转换情况而输出. 看看你的 START 命令情况. 或者还有基本的时钟信号等.
When the START pin is pulled high, or when the START command is sent, the device ADCs convert the input signals and DRDY is pulled high. The next falling edge of DRDY indicates that data are ready.
shaoye88 发表于 2019-6-19 11:22 从手册看, 只要start 命令后, DRDY 就会根据转换情况而输出. 看看你的 START 命令情况. 或者还有基本的时钟信号等.
When the START pin is pulled high, or when the START command is sent, the device ADCs convert the input signals and DRDY is pulled high. The next falling edge of DRDY indicates that data are r ...