ADC Hardware Trigger pin for ADC via PDB

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ADC Hardware Trigger pin for ADC via PDB

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gkunalupta
Contributor III

gkunalupta_1-1726651127631.png

 

 

Which all MCU pins are available for me for triggering ADC peripheral via hardware.

Via PDB through TRGMUX i can see their is only one MCU pin: TRGMUX IN0, which is PTB5. written under TRGMUX_PDB0 trapezium.

Means only via PTB5 i can give hardware triggers to ADC???

 

If Directly Via TRGMUX to ADC i can see in block diagram their is out[12-15] under TRGMUX_ADC0 trapezium. But which MCU pins are those???

 

Or only via PTB5 i can give hardware triggers?

 

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gkunalupta
Contributor III

I am saying for S32K144, S32K1xx family.

 

In code GUI, when i am selecting hardware trigger. It shows drop down of only TRGMUX_INo in it.

gkunalupta_0-1726813944904.png

 

gkunalupta_1-1726814395168.png

 

 

 

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petervlna
NXP TechSupport
NXP TechSupport

Hello,

For S32K144 you can also see it in IOMUX table. Unfortunately there is no filtering so you have to use manual search.

petervlna_0-1727250131792.png

Looking at mine S32DS SDK I can see multiple TRGMUX_IN

petervlna_2-1727250724157.png

You must be missing something in your configuration. Try to follow our example codes embedded in the SDK.

Best regards,

Peter

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petervlna
NXP TechSupport
NXP TechSupport

Hello,

Could you please specify which device are you referring to? Which S32K3xx ?

In IOMUX excel sheet you can filter the module=TRGMUX and function TRGMUX_IN

petervlna_0-1726811446096.png

petervlna_1-1726811454410.png

Best regards,

Peter

 

 

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