STM32 MCUs Products

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Resolved! STM32F303VC Bare Metal - How to Enable VCP / USART Over USB?

I'm trying to follow the reference manual to use USART over USB via VCP (bare metal), but Realterm isn't able to read *any* data. According to the user manual, USART/VCP over USB should be supported, mentioning it's on the PC4,PC5 pins. Here's the co...

KPres.1 by Associate II
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  • 7 replies
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Resolved! STM32H vbat

Hello everybody,My name is Rego, as a hobby I work on displays, image processing, etc...I'm not very familiar with ST, but I'm really enjoying these MCU. I've already implemented RTC using VBAT and it works very well. Now I want SRAM backup,On batter...

Hi I have a small problem with SAI and DMA.

I have a small problem if I use SAI DMA in circular mode, the first time it fills up the buffer, it works fine, but after it looks like it is the right data levels, but just that some are omitted.the top chart is DMA filling up the buffer, (first run...

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spa23 by Associate III
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  • 2 replies
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Resolved! Programming External QSPI with OpenOCD via STM32H7A3/STM32H7B0

So firstly, I'll explain what I'm trying to achieve. My company is planning to utilize an STM32H7B0 because it's the chip that we were able to find stock of. For testing, I'm using a STM32H7A3 because it was available as a Nucleo board. The primary r...

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AEarl.1 by Associate
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  • 4 replies
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Resolved! Problems with the F103 hardware I2C

A year ago I heard from a friend that there was a problem with the STM32F103's hardware I2C. All the ones I found on the internet said there was no problem with the hardware I2C of the ST, but not the F103 series. So, I have two questions. First, I w...

Resolved! program hang up at "print..string" , same working on other positions and also was working before - have no idea anymore

breakpoint reached normal;from here this jumps to "show.."and then this breakpoint seems never reached, but when going step by stepline 1354 is reached and also the following "sprintf.." , but it gets curious:when "Radio.." text is selected , is draw...

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AScha.3 by Super User
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  • 7 replies
  • 0 kudos