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-rw-r--r--docs/esp32/quickref.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/esp32/quickref.rst b/docs/esp32/quickref.rst
index 426d14e3ec..e6c53b1172 100644
--- a/docs/esp32/quickref.rst
+++ b/docs/esp32/quickref.rst
@@ -161,6 +161,9 @@ Notes:
* Pins 34-39 are input only, and also do not have internal pull-up resistors
+* The pull value of some pins can be set to ``Pin.PULL_HOLD`` to reduce power
+ consumption during deepsleep.
+
PWM (pulse width modulation)
----------------------------