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How to use PTC5 of S32K314 as ADC sampling

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How to use PTC5 of S32K314 as ADC sampling

‎01-06-2024 01:00 AM
214 Views
shunyizhang
Contributor III

Hi,nxp

I am using the ADC function of S32K314, and PTC5 pin is one of all my ADC acquisition channels. Besides, all other ADC channels are collected normally, and the abnormal problems are marked in the figure below. Would you like to know what is special about PTC5 when it is used as ADC analog quantity acquisition?

shunyizhang_0-1704527467586.pngshunyizhang_1-1704527503626.pngshunyizhang_2-1704527512242.png

shunyizhang_3-1704527522936.png

shunyizhang_4-1704527963123.png

 

 

 

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‎01-07-2024 08:23 PM
175 Views
Senlent
NXP TechSupport
NXP TechSupport

Hi@shunyizhang

If you just use PTC5 as the ADC pin, I think this has no special impact

1.PTC5 can be used as the TDI pin of JTAG, please confirm whether the port is used as the TDI pin.

2.Is it possible to observe the impact of the debugger on the pin when it is connected and disconnected through an oscilloscope?

 

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