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我对ADC12的SHP位选择不太懂



0 采样信号来自采样触发输入信号;

1   采样信号来自采样定时器

怎么确定SHP是否需要置位??

  • 你好!

    0 采样信号来自采样触发输入信号

    意义:采保时间等于SHI信号的时间,SHI信号可来之ADC12SC或者3个timer的触发,意思是可以根据用户需求设置任意长短的采保时间

    1   采样信号来自采样定时器

    意义:采保时间由ADC时钟与采保周期数的配置决定,即其采保时间等于ADC12CLK*ADC12SxT0x.