hard20 pts · first answer countslow-power-designhardware-debugging

Sleep current 60 times too high

A board should draw 5 microamps in stop mode but draws 300 microamps. The RTC and independent watchdog are on. What is the most likely cause to check first?

A.The RTC, which needs about 300 microampsB.Code compiled at -O0 instead of -O2C.Floating input pins or external parts left powered, such as a sensor or a pull-up fighting an outputD.The watchdog counter running at 32 kHz

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Sleep current 60 times too high

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