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Results tagged with stm32
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user 193748
The STM32 is the third ARM family by STMicroelectronics. It follows their earlier STR9 family based on the ARM9E core, and STR7 family based on the ARM7TDMI core. The STM32 is based on the ARM Cortex-M family of cores.
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Does STM32 bootloader contains USB DFU?
In my plan, the STM32 only provides USB and SWD interface with the PC. I know that with the help of USB DFU, I can download my program to the system memory through USB. … My concern is whether the initial bootloader of the STM32 chip contains the DFU? I mean the bootloader in the STM32 chip I bought from the ST company. …
- 570
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STM32 read external FIFO through FSMC
I want to use FSMC of STM32F429 to read external FIFO implemented in an FPGA MAX10. Since no mode of FSMC can fit the FIFO interface precisely, I try to use the modified synchronous multiplexed PSRAM …
- 570
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STM32F4 HardFault caused by Timer?
I built a STemwin Project with Cubemx and run this project on STM32F429ii based PCB. Every time when it reached the GUI_INIT() which was related to the memory allocation, it ran into HardFault_Handler …
- 570
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990
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how to handle 'heavy' task in FreeRTOS
I know that each task in FreeRTOS should have a vTaskDelay() to release CPU resource to other tasks periodically. However, when there is a very time-consuming function in a task, like read a large amo …
- 570
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361
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STM32 HSE clock is affected by LTDC_DE signal?
My STM32F429 project works fine before I added the LTDC module generated by CubeMx. After I added LTDC, the FMC interface began to lost data occasionally which was good before. I thought it may be ca …
- 570
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1
answer
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STM32 power down procedure
This is my first time to design STM32 circuit and I have no experience about the power down procedure. … After that, STM32 sends the disable signal to the regulator who provides the power to the whole system.
I'm not sure whether my guess is correct. …
- 570
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STM32CubeMX USB error "Unknown USB Device(Descriptor Request Failed)"
When I switch the clock source to HSI, the USB connection build successfully, so the reason may be the poor quality of crystal oscillator or bad soldering. I resolder the crystal oscillator and this t …
- 570
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Program FPGA using STM32
You can read the FPP configuration of FPGA datasheet which teaches you how to program FPGA with uP(STM32). … What you should pay special attention is the MESL configuration and let STM32 use correct timing provide by the FPGA datasheet to load the sof/rbf. …
- 570
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3
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STM32CubeMX USB error "Unknown USB Device(Descriptor Request Failed)"
My STM32 project has an issue about VCP on a CubeMX generated project. …
- 570
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2
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Exceeding voltage on STM32 Vbat pin
I want to power STM32F429 Vbat pin with an existing Lithium Ion battery on board. However, the maximum voltage on the discharging curve of this battery is 4.2v which is above the maximum operating vol …
- 570