STM32 MCUs Products

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Freertos low Power Run mode

Hi guys, I use stm32L4 and freertos, I try to make low power run mode in my project. Normally my mcu works 60Mhz but I want to reduce clock as much as possible in low power run mode like 1Mhz and I want to use freertos in low power run mode. I change...

Epamuk by Associate III
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Sometimes LPTIM2 does not start when using one shot mode. I see this happened 4 years ago to another user and their question went unanswered. So I'll try. (STM32L4R5ZIT6)

// Code to start the one shot timer void set_delta_alarm(Long t) { LL_LPTIM_Enable(LPTIM2); while (0 == LL_LPTIM_IsEnabled(LPTIM2)) ; LL_LPTIM_SetAutoReload(LPTIM2, t); // * TE_SECOND / ONE_SECOND); LL_LPTIM_ClearFLAG_ARRM(LPTIM2); LL_LPTIM_Star...

RChap.1 by Associate II
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Resolved! Can a low power timer (LPTIM) drive an RGB LED in STOP mode?

MCU: STM32L4R9ZGJ6Hardware: Custom battery powered boardLED: ARGB1313HSDesired LED functionality: Blink, on/off, fade in/out ("Breathing")Hello,I am familiar with a regular timer and how they can drive a RGB LED using multiple channels (CCx registers...

DerekR by Senior
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Launching option bytes bricks the MCU

Hi,I am trying to set the write protection on my STM32G071 uC. I found the explanation here on how to do it in code. However once HAL_FLASH_OB_Launch is executed, the debugger loses connection and the uC is bricked. I tried to get a connection again ...

Specific ARR value interrupt

Hi,I am usinfg STM32F0 and TIM1(16 bit) , ARR value has to be 0xFFFF and I want to generete interrupt for specific ARR value etc(when ARR is 32500). My project is very complicated. What is the best way to do this ?

hdemi.1 by Associate III
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