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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! delay function based on timer, overflow safe?

Hello Everybody,I was thinking about a flexible way to implement a µs or ms delay function with a free running timer as tick source. One of the biggest problems that comes to my mind is the overflow problem when the timer wraps around, so that some c...

PWM not working on STM32l431

When I trying to run PWM on PA8 I get no PWM at all. The pin just goes high and I can't understand why. I used HAL example code. The cpu is running at 16 MHz and here is the codeHW_TIM_PWM_Set(4000, 70); HW_TIM_PWM_Enable(); HW_TIM_Delay(1000); HW_TI...

rickard2 by Associate III
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STM32F103 PC13 variable duty cycle waveform

I'm intending to use PC13 as an output to drive the onboard LED, but at some point in my program the PC13 pin begins outputting a 4.4 khz signal with pulse width that varies from 0% to 100% back to 0% and keeps repeating that pattern at approx 4 Hz. ...