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Resolved! STM32H743 JPEG Decoder Performance

Hello,I'm trying to use the HW JPEG decoder on an STM32H743 MCU. When looking at the AN4996 Application Note, I found the following table:However, I'm unable to come even close to these values... This is what I measured: JPEG decodeDMA2D YCbCr320x240...

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Resolved! STM32U083-DK Issue with compiling code

I have an STM32U83C-DK board and downloaded the git repository GitHub - STMicroelectronics/STM32CubeU0: STM32Cube MCU Full Package for the STM32U0 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on al...

Bonnie by Associate II
  • 800 Views
  • 6 replies
  • 2 kudos

Resolved! GPIO Pin Initilization for USB Port

I Created a New Project for the Following MCU'sSTM32L072CZYSTM32F103C8T6STM32F401REI enabled the USB as Device and Also Selected Virtual Com Port as the Middleware and Generated the Project.Upon Loading the Respective Projects to the MCU's The USB Po...

Resolved! GPIO Alternate Mode Pull Up & Pull Down Function

I tried to solve the questions that occurred during the development of STM32 L4 Series through Googling, but I couldn't find anything related, so I'm leaving a post. I understand that even if the built-in Pull Up or Pull Down circuit is enabled, ther...

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Odoong by Associate
  • 1040 Views
  • 3 replies
  • 4 kudos

Three phase dual active bridge

Hi all,I am trying to implement a dual active bridge in three phase system. You need one three phase PWM system on the primary and second three phase PWM system on the secondary. Phase shift of PWMs within primary are fixed 120 deg. Same on the secon...

adamp by Associate II
  • 1149 Views
  • 6 replies
  • 0 kudos

boot application - issue with SCB_DisableDCache

does anybody have a idea why the code is stuck at below do while loop (bold marked)?.use case: for the boot application , SCB_DisableDCache () is getting called before jumping into use aplication.__STATIC_INLINE void SCB_DisableDCache (void){ #if de...

Anand Ram by Associate III
  • 3134 Views
  • 15 replies
  • 1 kudos

Resolved! how to use UART with DMA

I am using STM32H7B0VBT6 MCU.i want to transmit data using UART with DMA in normal mode.i am using "HAL_UART_Transmit_DMA(&huart4, &UART4_array[0], UART4_ARRAY_SIZE);"it sends only once , next time it do not work. Where i am doing wrong ? am I using ...

NKann.1 by Associate III
  • 4547 Views
  • 9 replies
  • 5 kudos

Failed to use I2C DMA for STM32F072

Issue description as below:1. STM32F072+STM32CUBEMX+FREERTOS+I2C1 DMA2. I2C1 was set for rx DMA 2. I use HAL_I2C_Mem_Read_DMA() for external device memory reading and it retured HAL_OK,but no data written to DMA buffer , DMA1_Channel2_3_IRQHandler fo...

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supgz by Associate II
  • 375 Views
  • 2 replies
  • 1 kudos