STM32 MCUs Products

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Cannot switch to PLL1

Hello,I am trying to switch system clock on H743ZI to PPL1. Using following code, it hangs up on checking SWS flag - clock switch begins, but never ends.I have tried setting domain prescalers before or after clock switch. The same for flash latency.I...

Need help to program an STM32F051K8.

I have an STM32F051K8 that I burned out on a Lumenier tx5gs vtx. It still transmits video but I cannot change channels. I thought it would be fun to try and replace it. Fortunately the 3.3v, GND, SWDIO, and SDCLK pins are all broken out on the board....

GWilk by Associate II
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STMicro announces #PlaysForSure program

Now if we can just get them to perform some rudimentary QA on the software they release we'll be golden.https://www.youtube.com/watch?v=nu2VJBz0MBA&feature=youtu.bePlease get you own house in order before doing this kind of marketing.#PlaysForSure (y...

STM32F429 IAP not working

Hai, I am using stm32f429igt controller I am trying to use IAP and found one example with stm32f4 cube package. While trying the example the code is not getting uploaded when I tried to upload it still waiting for the file can anyone help me how to s...

AChan.15 by Associate II
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Open-Drain output connected to WKUP pin

Hi,I'm working with an STM32L073RZ on a custom board, using MbedOS 5.12.0 bare metal. The board is a very low power weigh scale that is normally in Standby mode and is awoken by an accelerometer (connected to PC_13), an NFC chip (connected to PA_0). ...

Resolved! STM32F429ZI aborting DMA transfer on USART3 prematurely

On an STM32F429ZI, I'm using USART3_RX to receive information via DMA into a circular buffer. The buffer is 4096 bytes long.If I send 1 or 2 bytes at a time (i.e. with a delay of ~100ms+ between transfers), things work correctly. By "work correctly" ...

TDK by Super User
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Timer synchronization still has offset

Hello,I am trying to synchronize two PWM outputs on an STM32H7: TIM4 channel 2 and TIM8 channel 3N.To do this I am using the HAL synchronization functions, setting TIM4 up as master with "HAL_TIMEx_MasterConfigSynchronization" and TIM8 with "HAL_TIM_...

ST User by Associate III
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