STM32 MPUs Products and hardware related

Ask questions and find answers on STM32 microprocessors, including hardware, power, DRAM, flashing, interfacing, device tree, and peripherals.

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Resolved! STPMIC1 on I2C2 breaks ATF? Bug?

I'm currently working with the Seed STM32MP1 SoM which has STPMIC1 attached to I2C2. I've been working on setting up a device tree for it, but I've been hitting some bugs. When booting the mainline ATF with my device tree (modified DK2 board, just wi...

JGuy1 by Associate II
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STM32mp1 perf counters issue ?

Hi,I'm trying to have some accurate perf measurements with the STM32MP1 for my program on Linux. I've tried several things, among them to use perf Linux tool.The number of cycles does not match the time elapsed, i.e. the freq processor is at 650Mhz a...

Kurt by Associate
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Resolved! ST Link port on DK2 board not working

I'm trying to connect to my DK2 from STM32CubeIDE but the ST LInk port doesn't seem to work. In Device Manager I see "Unknown USB Device (Device Descriptor Request Failed)". I tried several cables and ports on my PC.I should mention that I'm running ...