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8-bit-16-bit-and-32-bit-proprietary

New Contributor

Hi,

   客户使用698的AD口时,如果只是接上拉电阻,当上拉电阻为几K时,电压为5V,AD值也是正确的,如果上拉电阻接1M, 此时测量电压为4.5V,AD值大概为800多。请问这是为什么?谢谢!

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Moderator
Moderator

CY9AF698KPMC应是CY95F698KPMC

把一个xK/1M 电阻接到5V电源和AD口之间?

会不会是这个问题 https://www.cypress.com/file/250451/download

pastedImage_0.png

Roy Liu

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Moderator
Moderator

CY9AF698KPMC应是CY95F698KPMC

把一个xK/1M 电阻接到5V电源和AD口之间?

会不会是这个问题 https://www.cypress.com/file/250451/download

pastedImage_0.png

Roy Liu

View solution in original post

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