How to set up ADC for s32k3 MBD

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How to set up ADC for s32k3 MBD

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Tetsuya_Morimoto
Contributor I

I am checking the MBD and Config settings for S32K3.

​There are three currents, power supply voltage filter, raw data from ADC block, and ADC uses 4 channels.

When I check the config, I see that only one channel of ADC is configured.

The model uses 4 ADC channels, is it possible to configure ADC without specifying pins?

If there is an error in the configuration, please tell me the correct way.

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georgevictor
NXP Employee
NXP Employee

Hi, @Tetsuya_Morimoto,

 

The ADC channels that are configured in BCTU work without being routed in the Pins tool because some of the MCU signals are internally routed to the output pins. Let us take for example the PHA_I current that is read from the PTA13 pin. The next image from the board schematics shows that the ADC1_P1 signal (P1_ChanNum1 in the BCTU list) relates to the PTA13 pin.

georgevictor_0-1724848298587.png

To minimize potential complications in future development, I recommend routing any signal that you intend to use within the Pins Tool.

 

Best regards,

Victor

 

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Tetsuya_Morimoto
Contributor I

Hello Victor-san,

Thank you. I will contact the customer.

Best regards,

Morimoto

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