Can we use the VADC as fast ADC

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Can we use the VADC as fast ADC

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davidwightman
Contributor II

I am curious if it is possible to use the VADC as a fast acting ADC, instead of for video.  Basically to get access to the VADC_DATAn before it gets to the Video Decoder.  We need an ADC that is in the same range as the 66.5Mbps rather than the 1Mbps general purpose ADC.

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This an automatic process.

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jiri-b36968
NXP Employee
NXP Employee

Hello Davin,

this would be great feature, but unfortunately it is not possible.

pastedImage_0.png

As you can see on the picture, a result from conversion goes directly to Video decoder. Only decoded data are available at the output of Video decoder. If used as fast ADC data cannot be decoded - so we do not get any output.

/Jiri