STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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UART baudrate problem

Posted on April 08, 2018 at 20:15Hello,I try to send data via UART with a baudrate 8Mb/s using Nucleo-L476RG and UM232H,the programs I use are STM32CubeMx and Putty (for RX)As shown on the picture below we can send data via USART1 with a baudrate be...

0690X0000060ATcQAM.png 0690X0000060ATgQAM.png 0690X0000060AUFQA2.png

STM32H7 Triple ADC Conversion Not Supported

Posted on March 16, 2018 at 02:22Hi All,Contrary to what the http://www.st.com/resource/en/application_note/dm00337702.pdf document says about the H7 chip, it does not support Triple ADC Conversion mode. It only supports double conversion mode betwe...

JacobV by Associate II
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Clk Configuration problem

Posted on April 10, 2018 at 12:43Hi, the problem is not solved, below is the clock configuration, Based on the figure above, I tried to use the different divisions /1, /8.. and the different clk (PPLCK, SYCLK, HSE...)  to obtain the correct frequenc...

0690X0000060AVrQAM.png 0690X0000060AVmQAM.png 0690X0000060AKuQAM.png 0690X0000060AVwQAM.png

[STM32L073RZT6] Read USB pins from GPRS modem

Posted on April 03, 2018 at 13:33Hello everybody,I would like to read the USB_DM and USB_DP pins from a GPRS module (it only works in Device mode) with the STM32L073RZT6 microcontroller which has also USB pins available. However, I realized that it ...

STM32F429 Cortex M4 MPU Crash Freertos

Posted on April 10, 2018 at 10:27Hi,We have been trying to use ARM_CM4F_MPU port in one of our application. Freertos version is 10.0.0.An unprivileged task always Mem Faults when trying to use a kernel API though mpu_wrappers is elevating the privil...

Mit N by Associate
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Fatfs f_close causes idle hook

Posted on April 09, 2018 at 08:38Hello everyone I use stm32f746 discovery board. I implemented emwin,Free rtos and Fatfs for the SDcard(using SDIO interface). In my application after pressing a button, a value(as a string) is saved in the SDcard....

Resolved! Debug stuck in LL_RCC_PLL_IsReady

Posted on April 09, 2018 at 16:58 Hello, I have a Nucleo-L476RG and I am trying to debug using openocd. I am able to reach main() function, but when it calls SystemClock_Config() get stuck in:while(LL_RCC_PLL_IsReady() != 1) The firmware...

Resolved! STM32H743 Nucleo DMA transfer error

Posted on April 07, 2018 at 15:15Hi all,To start with:Board: STM32H743ZI NucleoIDE: Attolic TrueSTUDIO for STM32 9.0.0HAL version: STM32Cube_FW_H7_V1.2.0I'm trying to trigger a DMA transfer on DMA1_Stream7 using TIMER 3 CC3.  I want to trigger a tra...

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my computer show did not recognize stm32 ....

Posted on April 09, 2018 at 18:06Hi, i facing a problem. When i connect stm32 with USB cable to my computer, my computer show did not recognize this devices. Although i already install the  STM32 Virtual COM port driver and follow the instruction.

Tan Wen by Associate
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