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S32K144,When the given voltage is 1.6V,AD Value Collected is 0

Question asked by 新光 王 on Nov 29, 2019
Latest reply on Dec 2, 2019 by 新光 王

Hi, 

    When I using S32K, give the AD input pin 1.6V voltage, use 12bit precision, in my understanding, It should be approximately 2048, however the ad value get is 0. When I using the same AD code reprograming other board, the value read is true. So I'd like to know where is wrong?

(Notes: the ref voltage I used is internal value which should be VDDA and VSS)

Thanks a lot!

Xinguang

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