STM32 MCUs Products

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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
  • 756 Views
  • 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
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Resolved! HAL I2S Receive DMA mode stuck in BUSY mode

On a stm32 mcu, using HAL_I2S_Receive_DMA the clock generation is started. At first, the application went into a hard fault and nothing is subsequently written in the data receive buffer.HardFault_Handler:08000942:  push  {r7}08000944:  add   r7, sp,...

jess by Associate II
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MCP2515 Module Library

Hello,I would like to use MCP2515 module which can be found here. Is there any tested official or nonoffical library that I can use with stm32f429-disco developer kit? Thanks inadvanced.

Öyild.1 by Associate II
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  • 7 replies
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writing single byte in flash

I'm trying to write on the flash of the stm32u5 microcontroller. Why in the flash driver, in particular in the file stm32u5xx_hal_flash.c, is present only FLASH_TYPEPROGRAM_QUADWORD and FLASH_TYPEPROGRAM_BURST? Is it not possible to write on the flas...

IVent.1 by Senior
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  • 2 replies
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