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S32K312 Wake UP

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S32K312 Wake UP

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‎07-28-2025 03:38 AM
1,212 次查看
ZZZZZJH
Contributor II

Hello, supporters of NXP. I would like to inquire whether the S32K312 can achieve low-power wake-up through the S32DS configuration of LLD. Is the wake-up method configured through the GPIO input pin and the WKPU pin the same? Is there any routine provided for the wake-up method configured through the WKPU pin? Thank you.

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‎07-29-2025 11:39 AM
1,180 次查看
Julián_AragónM
NXP TechSupport
NXP TechSupport

Hi @ZZZZZJH

Is the wake-up method configured through the GPIO input pin and the WKPU pin the same?

I'm not sure I understand this question but let me try to clear it up. The WKPU instance shares functionality with the other pins, using a MUX. This means that any GPIO pin can be used as wake up source as long as it has a WKPU interrupt assigned (check S32K_IOMUX.xlsx file attached to S32K3 reference manual for full pinout confirmation).

You can find a GPIO WKPU routine for the S32K312 in both LLD and HLD in this community post: [RTD400 & 500 MCAL & IP] S32K3 Low Power Management AN and demos - NXP Community.

They are based in RTD 5.0.0 & S32DS 3.5/3.6. Hope this helps.

Best regards,
Julián

 

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‎07-29-2025 11:39 AM
1,181 次查看
Julián_AragónM
NXP TechSupport
NXP TechSupport

Hi @ZZZZZJH

Is the wake-up method configured through the GPIO input pin and the WKPU pin the same?

I'm not sure I understand this question but let me try to clear it up. The WKPU instance shares functionality with the other pins, using a MUX. This means that any GPIO pin can be used as wake up source as long as it has a WKPU interrupt assigned (check S32K_IOMUX.xlsx file attached to S32K3 reference manual for full pinout confirmation).

You can find a GPIO WKPU routine for the S32K312 in both LLD and HLD in this community post: [RTD400 & 500 MCAL & IP] S32K3 Low Power Management AN and demos - NXP Community.

They are based in RTD 5.0.0 & S32DS 3.5/3.6. Hope this helps.

Best regards,
Julián

 

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%3CLINGO-SUB%20id%3D%22lingo-sub-2141698%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3ES32K312%20%E5%94%A4%E9%86%92%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2141698%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E6%81%A9%E6%99%BA%E6%B5%A6%E7%9A%84%E6%94%AF%E6%8C%81%E8%80%85%E4%BB%AC%EF%BC%8C%E4%BD%A0%E4%BB%AC%E5%A5%BD%E3%80%82%E6%88%91%E6%83%B3%E5%92%A8%E8%AF%A2%E4%B8%80%E4%B8%8B%20S32K312%20%E8%83%BD%E5%90%A6%E9%80%9A%E8%BF%87%20S32DS%20%E9%85%8D%E7%BD%AE%E7%9A%84%20LLD%20%E5%AE%9E%E7%8E%B0%E4%BD%8E%E5%8A%9F%E8%80%97%E5%94%A4%E9%86%92%E3%80%82%E9%80%9A%E8%BF%87%20GPIO%20%E8%BE%93%E5%85%A5%E5%BC%95%E8%84%9A%E5%92%8C%20WKPU%20%E5%BC%95%E8%84%9A%E9%85%8D%E7%BD%AE%E7%9A%84%E5%94%A4%E9%86%92%E6%96%B9%E6%B3%95%E6%98%AF%E5%90%A6%E7%9B%B8%E5%90%8C%EF%BC%9F%E6%9C%89%E6%B2%A1%E6%9C%89%E4%B8%BA%E9%80%9A%E8%BF%87%20WKPU%20%E5%BC%95%E8%84%9A%E9%85%8D%E7%BD%AE%E7%9A%84%E5%94%A4%E9%86%92%E6%96%B9%E6%B3%95%E6%8F%90%E4%BE%9B%E4%BB%BB%E4%BD%95%E4%BE%8B%E7%A8%8B%EF%BC%9F%E8%B0%A2%E8%B0%A2%E3%80%82%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-2142906%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%20translate%3D%22no%22%3ERe%3A%20S32K312%20Wake%20UP%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2142906%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E4%BD%A0%E5%A5%BD%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2Fuser%2Fviewprofilepage%2Fuser-id%2F252804%22%20target%3D%22_blank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xlsx%20%E6%96%87%E4%BB%B6%E4%BB%A5%E7%A1%AE%E8%AE%A4%E5%AE%8C%E6%95%B4%E7%9A%84%E5%BC%95%E8%84%9A%E6%8E%92%E5%88%97%EF%BC%89%E3%80%82%3C%2FP%3E%0A%3CP%3E%E4%BD%A0%E5%8F%AF%E4%BB%A5%E5%9C%A8%E8%BF%99%E7%AF%87%E7%A4%BE%E5%8C%BA%E5%B8%96%E5%AD%90%E4%B8%AD%E6%89%BE%E5%88%B0%20LLD%20%E5%92%8C%20HLD%20%E4%B8%AD%20S32K312%20%E7%9A%84%20GPIO%20WKPU%20%E4%BE%8B%E7%A8%8B%EF%BC%9A%3CA%20href%3D%22https%3A%2F%2Fcommunity.nxp.com%2Ft5%2FS32K-Knowledge-Base%2FRTD400-amp-500-MCAL-amp-IP-S32K3-Low-Power-Management-AN-and%2Fta-p%2F1993152%22%20target%3D%22_blank%22%3E%5BRTD400%20%26amp%3B%20500%20MCAL%20%26amp%3B%20IP%5D%20S32K3%20%E7%94%B5%E6%BA%90%E7%AE%A1%E7%90%86%E5%8D%95%E5%85%83%20AN%20%E5%92%8C%3C%2FA%3E%E6%BC%94%E7%A4%BA%E2%80%94%E2%80%94%E6%81%A9%E6%99%BA%E6%B5%A6%E7%A4%BE%E5%8C%BA%E3%80%82%3C%2FP%3E%0A%3CP%3E%E5%AE%83%E4%BB%AC%E5%9F%BA%E4%BA%8E%20RTD%205.0.0%26amp%3B%20S32DS%203.5%2F3.6%E3%80%82%E5%B8%8C%E6%9C%9B%E5%AF%B9%E6%82%A8%E6%9C%89%E6%89%80%E5%B8%AE%E5%8A%A9%E3%80%82%3C%2FP%3E%0A%3CP%3E%E8%87%B4%E4%BB%A5%E6%9C%80%E8%AF%9A%E6%8C%9A%E7%9A%84%E9%97%AE%E5%80%99%EF%BC%8C%3CBR%20%2F%3EJuli%C3%A1n%3C%2FP%3E%0A%3CBR%20%2F%3E%3C%2FLINGO-BODY%3E