Trigger for SDADC at MPC5777C

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Trigger for SDADC at MPC5777C

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JH11
Contributor I

Hello, 

There is something I don't understand while looking at the manual.

The TRIGSEL register selects which input will be used for hardware triggered conversations

In Table 29-2, if the register is set to 0, the trigger for sdadc1 is written as reserved.

So how does the hardware trigger on sdadc1 work in this case?

Additionally, TRIGEN is set to 1.

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davidtosenovjan
NXP TechSupport
NXP TechSupport

Theoretically it can lead in unpredictable results but in practice it does not trigger SDADC module.

Btw I made an example for this:

https://community.nxp.com/t5/MPC5xxx-Knowledge-Base/Example-MPC5777C-SDADC-eTPU-triggered-GHS714/ta-...

 

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