What is the method to validate the STM32MP1-DRAM path on your PCB ?Is manual DDR PHY tuning using STM32CubeMX DDR tuning still needed ?Where to find the DDR test suite binary and the relative documentation to run the tests ?ST, to help the PCB design...
In the below sdmmc info command, we see timing spec is "mmc DDR52", whereas clock frequency on SDMMC_CK pin is only at 12.5 MHzwhy ? root@stm32mp151c-oeswa63:~# cat /sys/kernel/debug/mmc0/iosclock: 25000000 Hz >>>> is SDMMC kernel clock a...
During ethernet bring-up with Linux you get the following error : "stm32-dwmac 5800a000.ethernet: Failed to reset the dma"What does it mean ?How to configure in Linux and in u-boot the STM32MP1 ethernet clocks for the Ethernet PHY ? How to check the ...
Edimax EW-7811UN V2 WiFi dongle is not supported by default on OpenSTLinux distribution STM32MP15-Ecosystem-v3.0.0 release (Linux kernel version 5.10.10).What are the steps to enable it on this release ?This article describes the steps to: Enable sup...
Where can I find STM32MP1 workshop MOOC ? Is the VMware Virtual Machine up-to-date with the latest OpenSTLinux and tools ? Are the workshop hand's on also up-to-date ?STM32MP1 MOOC Workshop is available on st.comhttps://www.st.com/content/st_com/en/s...
Do we have to use the STPMIC with the STM32MP1?No, as an alternative it is possible to use discrete voltage regulators instead. Both solutions have some pros and cons.STPMIC significantly simplifies hardware design, offers advanced features such a...
Do you have any application notes about the STM32MP1 low power modes (standby and vbat ) ?Any information to understand the power management in OpenSTlinux distribution ?Any hardware design examples demonstrating power management with STPMIC ?First o...
What is offered for graphics development on the STM32MP157 ecosystem? 1) GPU user manual You can find there GPU document for STM32MP1:https://www.st.co m/resource/en/programming_manual/dm00596687-stm32mp157-gpu-application-programming-manu...
How to configure and drive at run time a "generic" GPIO a standalone GPIO (not connected to peripheral) ?How to configure an internal pull-up for LED for example. BackgroundTwo frameworks are available to configure and control a given pin: pinctrl a...
Where can I find an example of integration between FreeRTOS and OpenAMP ? A new example appears on CubeFW_MP1 1.2.0 with integration OpenAmp with FreeRtos OS. Find the example ''OpenAMP_FreeRTOS_echo" that is provided in the STM32CubeMP1under ...\STM...
There are different power supply configurations for applications based on the STM32MP1 microprocessor. What are the main STMicroelectronics application notes ?We recommend STM32MP1 to be supplied with a dedicated ST power management IC, the STPMIC1. ...
The signal integrity is mostly ensured if the design follows the recommended length constraints and other rules in explained in the below routing guidelines. AN5431: The STPMIC1 PCB layout guidelinesAN5122: STM32MP1 Series DDR memory routing guideli...
The STM32MP1 data sheet states that maximum display resolution for the LTDC controller is WXGA @60 frames /s with RGB888 pixel format. Can STM32MP1 support other display configurations ?Background The maximum display resolution depends on the Soc ...
