Ask questions, find answers, and share insights on STM32 products and their technical features.
Hello,I have an issue with some STM32F407VG chips.Values stored in flash are wrong, e.g.Flash size at address 0x1FFF7A22 is 0xFFFF instead of 0x400.Temperature sensor calibration data for 30°C is 0xFFFF.Here after is a picture of the bad chip.Thanks ...
Hi all,i am using stm32f3 discovery EV kit, i am using stand by mode for deep sleep, but it is not wake up from sleep mode.i configured sys_wkup1 (PA0) and it is connected push button.i am re intialize i/o port and toggling one led after wake up from...
Hello,I am trying to synchronize the sending of strings using UART via a DMA. The program ``mostly`` works but the DMA does not write fast enough therefore the program overwrites the buffer and it ends up sending garbage data. I am trying to synchron...
Hello,I am using custom hardware of STM32F207ZG.I have created custom bootloader and one simple application.Bootloader start address of flash location is 0x8000000.Application start address of flash location is 0x8040000.From the ethernet i am trying...
Hi all,This is my first project trying to configure an EMMC memory with my stm32H743XIH MCU, and unfortunatly i didnt find any exemples of projects so i can understand how this works ! I'm facing two problems on my first try project :1) Create projec...
Hello, I am writing because I am trying to make an APP similar to the one in this video, in the comments there is a link with more information of the video in which I understand that there is code that they used for this application, since they say i...
Hello,I am working with the STM32U575 with FreeRTOS running on the STM32. Is there a way that I can plugin a usb drive to update the firmware on the STM32U575 with modifications of the code? Kind regards
I use X-NUCLEO-NFC08A1 on the X-NUCLEO-LG746RG,and the sample program downloaded from the official website to detect the result of UID: F60F7FE3, but I don't know how to analyze this signal. Which specification table should I read to help me understa...
HiI have develop a custom board wit stm32F799 cpu, there is External Quad flash model MT25QL128ABB1ESE 128Mbit 16Mbyte.My problem thar the falsh erase only half size, the address in memory map shall be 0x90000000 to 0x90FFFFFF but the erase work unti...
For some reason HAL_SPI_STATE remains busy forever after executing HAL_SPI_Receive_DMA. This happen for the SPI slave of SPI #2 of the STM32H745XI board. The problem goes away when I change the SPI mode from slave to master, but that's not a proper w...
