Resolved! Cortex M7 MPU to prevent speculative access
Why we Enable the Speculation default mode for MPU? Is there any reason to enable it?
Forum Posts
Resolved! stm32u5 internal pull-up resistors on SDIO pins
Hi. Isn't it possible to turn on the internal pull-up resistors for SDIO lines in STM32U585?In cubeMX configuration, It doesn't show pull up option in gpio config. Also choosing pull up in the init code doesn't look like enabling it. is there anywher...
Resolved! Getting Hardfault with my application
Hello all I am facing a issue my program works however when is executes this part it runs only once after that it ran into hard fault. I have attached the snap of structure part of code which cause it and also exception observation please let me know...
2 Channel Frequency Generator With Phase Shift
Hello to all,I want to make frequency generator with STM32 Nucleo F746ZG board. I am using PC8 and PC9 output. Frequency will begin with 100 kHz both output and during 2 secons it will increase to 400 kHz. Duty ratio always same. And between PC8 and ...
Resolved! Lost UART First Byte on Reception
Hello All , I am using UART6 of STM32H7 series MCU for reception of 9 Byte data . UART is losing first byte when receiving data on UART using interrupt. Setup: 1. I am using full duplex RS485 (Modbus) 2. I have 2 MAX485 IC one for reception & anot...
Facing an issue with open bootloader on STM32U0
Hi Team, I am facing an issue regarding the open bootloader. Recently, I downloaded the open bootloader source code for the STM32U0 boards, and I was successfully able to load hex files via the STM32Cube Programmer over UART. However, I encountered a...
STM32H757 SWO Debug Error
I get the following error when trying to debug an STM32H757 with SWO enabled. Failed to enable SWV configuration.Failed to execute MI command:-data-write-memory 0x5c003010 x 4 0x77etc...It would seem the debugger (ST-link v2) is not able to read the ...
Overflow and Clipping Issues When Converting High-Resolution Data to 8-Bit Format
Hello everyone,I'm working on a project where I need to transmit audio data from two microphones (left and right channels) over UART from an STM32 microcontroller. The audio data is initially sampled at high resolution (32-bit), but I’m converting it...
DMA RX does not generate an interrupt
I'm using the STM32F407T6 for the first time and would like to be able to communicate with my computer using TTL.I'm trying to transfer the data by DMA but why the RX interrupt is not triggered after confirming the receipt of the data I want to recei...
Why is the range of PLLVCO duplicated?
Hi, I am using STM32H563 Nucleo board, and found the PLL1VCOSEL bit of RCC PLL clock source selection register.There are duplicates in the settings.Does anyone know why is the settings duplicates?I would like to know why and use case.
