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I have question on STM32F777 RTC and super cap

I wanted to use RTC Circuit for Supercap.I have designed circuit (Check Attached snapshot).but i dont get back up time? can anyone explain do we need to do any provision in controller.It seems that capacitor is discharging very fast

0693W00000JPlkbQAD.jpg
Chiku by Associate II
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Odd glitch experienced on STM32F7 TIM8 PWM. - FIXED

I am seeing a very strange glitch from the PWM output of TIM8:CH1 on an STM32F730.The timer is running on 216MHz internal clock, with an ARR reload of 617, giving a ~350kHz PWM output.There is also a no-output Compare on it's channel 2, used to trigg...

0693W000001ptqKQAQ.png
EdGi by Associate III
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