Apr 17, 2019
01:51 AM
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Apr 17, 2019
01:51 AM
Hi all,
I am planning to use an interrupt from a port pin to wake from sleep mode and would like to know if the internal pull-up & pull-down resistors active in the sleep modes ?
Thank you very much.
PHAB
I am planning to use an interrupt from a port pin to wake from sleep mode and would like to know if the internal pull-up & pull-down resistors active in the sleep modes ?
Thank you very much.
PHAB
- Tags:
- IFX
3 Replies
Apr 17, 2019
09:33 AM
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Apr 17, 2019
09:33 AM
Hi,
Have a look at reference manual, GPIO chapter, Power Saving Mode Operation section.
If you do not activate the Pin Power Save the pull up/down will be active.
Regards,
Jesus
Have a look at reference manual, GPIO chapter, Power Saving Mode Operation section.
If you do not activate the Pin Power Save the pull up/down will be active.
Regards,
Jesus
Apr 18, 2019
07:22 AM
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Apr 18, 2019
07:22 AM
Thank you once again Jesus.
Dec 19, 2019
12:54 PM
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Dec 19, 2019
12:54 PM
Hi,
what if power is completely off? In my application a MOSFET gate is driven directly by a GPIO of the XMC. Do I have to add an external pulldown resistor to be sure that the gate will have a voltage clearly less than the Vth of the MOSFET or are the XMC GPIOs doing that automatically?
Thanks,
Markus
what if power is completely off? In my application a MOSFET gate is driven directly by a GPIO of the XMC. Do I have to add an external pulldown resistor to be sure that the gate will have a voltage clearly less than the Vth of the MOSFET or are the XMC GPIOs doing that automatically?
Thanks,
Markus