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I have a custom board with an STM32U083KCU6 MCU - see schematics belowVBAT = +3.6VI have 2 boards:1. board: I flashed it via SWD but forgot to enable it in STM32CubeMX, which means that I'm not able to flash it again via SWD2. Board: This time, I rem...
Application note AN5361 "Setting up with ST-LINK GDB server" says "Set the Cortex®-M7 core running so that the HSEM semaphore is released and Cortex®-M4 wakes up from Stop mode" and this post implies that it's "HSEM 0" which I'm assuming is HSEM chan...
I am working on a H755zi-Q Nucleo board , I am using the flash memory to store some parameters and i have implemented flash wearing as well, All this works fine , my data persists across resets and is correctly loaded upon reset, and i have even veri...
Hello everyone,I am currently working on a project using the STM32H755 microcontroller, and I am facing an issue with the program getting stuck in the `Reset_Handler` during debugging. Specifically, the code halts at the instruction `ldr sp, =_estack...
We try generate signal defined by toggle table , but command do nothink. (except ARR toggles) if (HAL_TIM_OC_Start_DMA(&htim2, TIM_CHANNEL_4, &tim_values[0], idx) != HAL_OK) { Error_Handler(); }have 1.7.0 U5 firmware some known issue ? O...
In looking at AN3155, USART protocol used in the STM32 bootloader, the following diagram describes the MCU's write protect command sequence from the device side:There is a comment at the bottom which indicates that only certain F and L series chips p...
We are using the STM32L071KZU6 in one of our designs and are facing an issue with bootloader communication over I2C. Specifically, some boards fail to enter the bootloader or respond on the I2C bus, while others function normally. Below are the detai...
I'd like to setup the DMA engine to use double buffer mode, but on different size buffers. It seems that there is only one NDTR register per stream, and the user manual says this can only be written to when the stream is disabled.So combining this in...
Hi, I'm using NuttX as RTOS on my STM32 board. I have a timer set in the DTIMER register, and in the interrupt handler of the SDMMC, if it detects a timeout, the way the code handles it is that does this: 1. disable all transfer related interrupts //...
Hello,I'm kind of newbie in the STM32 world, I'm more used with another brand of 32bits microcontroller that also have a "parrallel port" for interfacing external ram device.My concern is about the FMC on the STM32H7.I want to read/write a 16bits dev...
