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PSoC™ 4 Forum Discussions

YoIs_1298666
Level 5
Level 5
250 sign-ins 100 replies posted 100 sign-ins

Hello,

I have a question.

In ADC_SAR_Seq configuration, there is samples averaged tag. and mimimum value is 2.

pastedImage_2.png

Please see the explanation below.

pastedImage_3.png

Are the outputs added and averaged ?  For example, in case of PSoC4100S, Does that mean the sample rate is one-half of 1Msps?

pastedImage_5.png

Best regards,

Yocchi

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1 Solution
Vasanth
Moderator
Moderator
Moderator
250 sign-ins 500 solutions authored First question asked

Hello Yocchi san,

If you see the channels tab of the ADC configuration

pastedImage_0.png

There is an option to enable or disable the sampling rate. For the channels which has enabled summation and averaging will be done. From the component perspective when you have entered the sample rate and try enabling averaging, the component will try to increase the ADC clock accordingly to achieve the required sampling rate. It will throw an error other wise too.

Best Regards,
VRS

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3 Replies
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

When you select a channel for averaging the sampling rate does not change, but it will take two or more (as selected) samples to form a result. Keep in mind that you may switch off the averaging for each channel individually.

Bob

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Vasanth
Moderator
Moderator
Moderator
250 sign-ins 500 solutions authored First question asked

Hello Yocchi san,

If you see the channels tab of the ADC configuration

pastedImage_0.png

There is an option to enable or disable the sampling rate. For the channels which has enabled summation and averaging will be done. From the component perspective when you have entered the sample rate and try enabling averaging, the component will try to increase the ADC clock accordingly to achieve the required sampling rate. It will throw an error other wise too.

Best Regards,
VRS

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Hello VRS,

I agree with you.

Thank you very much.

Best regards,

Yocchi

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