Watchdog as wakeup source in imx6ul

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Watchdog as wakeup source in imx6ul

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shammi112
Contributor I

Hello,

Is it possible to use watchdog as wake up source in imx6ul ?

Regards,

SHAMMI

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi SHAMMI

yes any enabled interrupt can wake processor, for wdog one

can refer to sect.6.5.4.2 Interrupt event i.MX6UL Reference Manual.

http://www.nxp.com/docs/en/reference-manual/IMX6ULRM.pdf 

Best regards
igor
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shammi112
Contributor I

Hi igor,

Can watchdog  wakeup imx6ul from standby/sleep mode ?

Regards,

SHAMMI

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igorpadykov
NXP TechSupport
NXP TechSupport

yes

Best regards
igor

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shammi112
Contributor I

Hi igor,

When device is in standby/deep sleep state , will watchdog  be running ?

My requirement is processor should wakeup every 30 seconds, upon generation of watchdog interrupt.

Regards,

SHAMMI

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igorpadykov
NXP TechSupport
NXP TechSupport

Hi SHAMMI

watchdog behaviour in low power modes is defined by WDW, WDZST bits in

WDOGx_WCR register.

Best regards
igor

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