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USDK/example_sources/pm_deepstandby/readme.txt

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+Example Description
+
+This example describes how to use deep standby api.
+
+Requirement Components:
+    a LED
+    a push button
+
+Pin name PA_5 and PC_5 map to GPIOA_5 and GPIOC_5:
+ - PA_5 as input, connect a push button to this pin and 3v3.
+ - PC_5 as output, connect a LED to this pin and ground.
+
+In this example, LED is turned on after device initialize.
+User push the button to turn off LED and trigger device enter deep standby mode for 10s.
+If user press button before sleep timeout, the system will resume.
+LED is turned on again after device initialize.
+
+It can be easily measure power consumption in normal mode and deep standby mode before/after push the putton.