本帖最后由 ddllxxrr 于 2014-12-8 22:42 编辑
mcuzone 发表于 2014-12-8 21:31 
还有这等服务啊
请问D21的ADC实测性能如何?虽然12位,但是有PGA 8-, 10- or 12-bit resolution
Up to 350,000 samples per second (350ksps)
Differential and single-ended inputs
Up to 32 analog inputs
25 positive and 10 negative, including internal and external
这是手册上的数据,没有实测过
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