nrf52: i2c_twim: Fix static 400uA current #72621
Open
+29
−0
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
zephyrbot
requested review from
anangl,
jaz1-nordic,
kl-cruz,
magp-nordic,
masz-nordic,
nika-nordic and
teburd
gumulka
force-pushed
the
i2c_power_fix
branch
2 times, most recently
from
7942aae
to
cfb182c
Compare
Hardware error described here: https://infocenter.nordicsemi.com/topic/errata_nRF52832_Rev2/ERR/nRF52832/Rev2/latest/anomaly_832_89.html When using GPIOTE and TWIM and PM_DEVICE, then the device must be turned off and then on again after suspending, otherwise there is a constant 400uA current draw. Signed-off-by: Fabian Pflug <fabian.pflug@gumulka.eu>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Hardware error described here:
https://infocenter.nordicsemi.com/topic/errata_nRF52832_Rev2/ERR/nRF52832/Rev2/latest/anomaly_832_89.html
When using GPIOTE and TWIM and PM_DEVICE, then the device must be turned off and then on again after suspending, otherwise there is a constant 400uA current draw.
This should be seen in cooperation with zephyrproject-rtos/hal_nordic#180