STM32 MCUs Products

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STM32H723ZGT6 accidental Vcore overvoltage

Hello,I designed a custom board with an STM32H723ZGT6.It worked fine, then, long story short, this happened:I accidentally connected the VCAP pins (Vcore voltage) to 3.3V, then switched the board on. After about 2...3 seconds I realised something is ...

vjaz by Associate
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  • 2 replies
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Need for Speed Using STM32 SPI with DMA to W5500.

I am porting the code from ATMega128 to STM32F103 for faster throughput to WIZNET W5500 using the WebServer.C for ATMega128. I am using the HAL coding as I am new to STM32. While the throughput is faster than the ATMega128 but I need more speed. Cha...

CK.3 by Associate III
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  • 9 replies
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Resolved! stm32f103c8t6 DMA sends data only from the stack

I have set up a project in a cube. SPI + DMA. When the mcu sends data from the stack, the DMA works fine and activity is visible on the pins. But if allocate an array of data in bss as static or global, then nothing happens on the pins. The program r...

TAndr.1 by Associate II
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  • 1 replies
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xSemaphoreTake not working properly

Hi, xSemaphoreTake is not working properly(getting held at taskENTER_CRITICAL) after existing sleep mode. Before entering sleep mode using HAL_PWR_EnterSLEEPMode the value of portNVIC_INT_CTRL_REG is 4194304. After exiting from sleep mode using an ex...

KK Y.1 by Associate II
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  • 0 replies
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Run code from ram of STM32H7

I have a customized bootloader app which needs to update itself.I think if linking all the code to RAM and run code in RAM, then it should able to update itself as it does not require accessing flash.my thought is changing all section with flash (>FL...

jiangpen by Associate II
  • 2077 Views
  • 2 replies
  • 0 kudos