STM32 MCUs Products

ST-LINK connection error

How to plot real time data in GUI.

I am trying to plot real time data in GUI.But when i run the program of GUI,it shows graph in MATLAB instead of GUI.I am just using command in GUI: run('matlab file name '). Code is written in matlab and calling this file in GUI.Thanks.

HRTIMER input frequency

Can the HRTIMER input frequeny be lower than the maximum value given in the datasheets? E.g. on a G74 with HRTIMER input at 125 MHz, steps would be nice 250 ps versus 188.2... ps at 170 MHz.The functional description "HRTIM timer is made of a digital...

How to detect interrupt by a timer?

Hi all,I know how to program a time base interrupt by a timer in HAL, but now I'm learning about do it in CMSIS, with a STM32F303CCT6 MCU.My question is, in RM0316 doc, page 287, it talks about the Interrupts and Exceptions Vectors, wioth a total of ...

H743 two SDMMC not work Simultaneously

hi i working on stm32h743vit to have two uSD card Simultaneously i use fatfs and SDIO 1 and SDIO 2each sd card working in Single mode for SDIO 1 and SDIO 2but i merge and change something to work correctly but in main just mount work ....i cant find ...

STM32L4 Wrong MSI speed

Hello! I noticed a speed error on MCU L476 and L433. When setting MSI frequency to 1 MHz, the frequency is 1015.5. (Auto trimered by LSE, LSE enabled and work well) At higher frequencies, the operation is normal. What could be the reason?

Hi everyon! It is my first time to programming STM32 mcu and my task to send sesnsors data to a server. I chose to use mqtt protocol for this task. I find eclipse phao mqtt client which written in c language. Can somebody tell me how can i use this lib?

I set up mcu with CubeMX ethernet is used in MII mode.

Power consumption on STM32L476RG NUCLEO in various power modes

I am testing the demo code given in the directory STM32Cube\Repository\STM32Cube_FW_L4_V1.14.0\Projects\NUCLEO-L476RG\Examples\PWR for CubeMx. I am testing the code PWR_ModesSelection and am recording the current values across J6 IDD which I'll be wr...