STM32 MCUs Products

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LPUART1 wakeup fail in STOP2 mode

Hello,I'm using LPUART1 (STM32U0) for modbus communication and using STOP2 mode to go sleep until new modbus query has requested.Strange things happen, on console I can see prints like "Target is not responding, retrying...".Here is my clock configur...

npatil15_0-1747980221608.png
npatil15 by Associate III
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STM32F3348-DISCO HRTIM DMA PWM Sine Wave

Hi all,I wanted to make a post to shine some light on how to configure the HRTIM DMA on the STM32F3348-DISCO (and probably other ICs w/ HRTIM capabilities).A few posts I've seen have boasted the same solution, but have convoluted the use of a single ...

DMA_Settings.png

STM32F407ZGT6 chip marking problem

我们这次购买的芯片上没有ARM标记,右上角的版本号改成了二维码的形式。 请咨询我们的供应商,不同的产地/包装厂/批次会有所不同。但是我们的质量部门不会库存它们。 标记的变化比较大。此标记更改是否有相应的文件? Translation: There is no ARM mark on the chip we purchased this time, and the version number in the upper right corner has been changed to a QR ...

微信图片_20240417104830.png 微信图片_20240417104847.png

Resolved! VBUS not turning on on STM32H747I-DISCO

I am trying to configure the HS OTG port on the STM32H747I-DISCO dev board, but setting "Use external vbus" seems to be not enough. I can measure 0.8V on the CPEN line (measured from R11) but I don't see anything on the OUT line of the voltage switch...

chipchop by Associate II
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The use of on-chip DACs in stm32g473cb

STM32G473CB has 3 DAC channel outputs.  a. Can these three DAC channels output a 100KHz triangle wave signal at the same time? b. In addition to the triangular wave, can the output signal output an irregular 100KHz waveform? thanks

licunxu by Associate II
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STM32L552 LPTIM1 counter mode interupt

Hello,I'm new to stm32 microcontrollers. I'm trying to figure out how to configure LPTIM1 in counting mode, external clock in using cubeMX. Is there any examples on how to set it up?Is this even possible?Thanks in advance.

Hooks77 by Associate II
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