STM32 MCUs Products

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STM32H7A3 and camera problems

Hello,I have a STM32H7A3 dev board (NUCLEO-H7A3ZI-Q) and have connected it to a OV7670 camera using DCMI interface. I used an example from Cube library (for DCMI) that grabs single image from camera and stores it in the internal RAM of a microcontrol...

STM32L011 DMA read from const variable (flash)

Controller: STM32L011G4ULibraries: CMSISCompiler: arm-none-eabi-gcc version 13.2.1In order to change Capture Compare Register of TIM2 automatically every time when TIM2 updates, I want to use DMA to get the current CCR values from a const array. cons...

Marc1 by Associate III
  • 1901 Views
  • 8 replies
  • 3 kudos

IMPRECISERR error when decrementing Stack Pointer

Hello,I have a code snippet where I initialize PSP (stack pointer) to its very first location, and then manually fill the stack with some values as follows:  pTask = (uint32_t *)TASK1_STACK_START; //Stack Start location for Task1*pTask = (uint32_t) S...

Cant make http work on GSM sim7080

Connected to STM32F411CE I know this post is not fully related to STM32 but I am posting here as this forum is somewhat active so I can get some help. SIMCOM forums are pretty much dead. I am interfacing sim7080 with stm32, but for this test I am bas...

HZaib.1 by Associate III
  • 1316 Views
  • 2 replies
  • 0 kudos

Resolved! Basic Schematic for STM32H755

Hello,I am working on a project to design an IO and motion controller board using STM32H755 mcu. Could you please review the attached basic schematic design for the mcu to avoid any design related issues that may arise later. +3.3V power is coming fr...

damha by Associate
  • 1859 Views
  • 2 replies
  • 0 kudos