Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.
On my custom board I have the following issue, when my board powers up it goes into USB DFU mode instead of booting to EMMC, despite the BOOT pins. When I reset the board manually by taking nrst down, it boots correctly. I followed AN5031. I have dis...
1,What is the reason for setting the display frequency to 50HZ instead of 60HZ?2, I designed a circuit board, using mipi to HDMI chip, and found that using 60HZ frequency to drive the display will jitter.
Hello, I try to work with a STM32MP157C-DK2 board but I'm not able to detect the board.I'm on Ubuntu 18.04, I've follow the STM32MP1 wiki and install everything needed.I put the board in DFU mode (BOOT 2 & 0 on 0) but when I run STM32_Programmer_CLI ...
Hello.I want to reset MPU core(s) while MCU is running firmware. Such reset shouldn't stop MCU.I can make electrical changes if it can be achieved with power control. Or maybe it can be possible to use PWR (or some other) registers?
I want to use sound alarm in my M4 program or on A7 Linux side.It can be any kind of sound (beep...etc).What should I do ?Which external pheriperal can I buy , or is it possible to do it with internal pheriperals on the board and how ?tnx
Hi,I'm trying to learn world of embedded linux by trial and error, so I got myself STM32MP157c-dk2.I have followed the instructions from here: https://wiki.st.com/stm32mpu/wiki/STM32MP1_Developer_Packageand here: https://www.digikey.com/eewiki/displa...
Subject says it all, really: Go here, download the ZIP file for the 'Manufacturing files', and the 'Mechanical' folder is empty :(Looking to get the offsets of the holes from the Arduino connector so I can bolt it down well.
I need a network connection for my project. Does the network PHY have to be programmed in CM4 via LwIP ... or does communication via OpenAMP to the CA7 work? Are there examples of a simple web server that can switch a port or similar? Thank you very ...
I have a DK2 board.Downloading FSBL image for EV1 board to DK2 board through USB port on DFU by the STM32CubeProgrammer fails. Both boards use the STM32MP157C chip, but I don't understand why the download fails.Can anyone explain the reason or princi...
Hi,I am working with stm32mp157-dk2. Arduino connector CN16-pin5 is giving 5v.How can I switch on/off this pin in my M4 program ?I couldn't find a solution or example, could you please help me ?
