STM32 MCUs Products

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STM32F446 wake up from stop mode

Posted on June 05, 2018 at 18:27Hello,I'm currently testing low-power modes on my MCU and I need to know if it's possible to wake up from stop mode via peripheral interrupts (timer, I2C, USART, ADC and so on)? Reference manual says that all the PLLs...

STM32F7 QSPI Exit Memory Mapped Mode

Posted on January 26, 2017 at 16:00Hi,The QSPI peripheral in the STM32F7 is wonderful.  Nice job ST!One question:  Is there any way to exit memory mapped mode and go back to indirect RX/TX through the HAL driver?Thanks!Bobby

device descriptor request failed with STM32F207VT(100pins) custom board, same code is working fine with STM32F207ZGT(144 pins) nucleo board

Posted on June 05, 2018 at 19:57Hi there,I have generated USB CDC code from cubeMX  for STM32F207ZT (144 pins) nulcleo board and it is working fine USB device is getting listed in COM ports. Now I am flashing the same code with some minor clock chan...

Can't debug with J-LINK in Atollic Truestudio

Posted on June 05, 2018 at 15:59hello there   I'm new in Atollic Truestudio and i want to use j-link to debug. The problem is that when i click the DEBUG button,  its told me that there is an error with runing GDB service,pleasr check the probe's  p...

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bringing up new STM32H734II board and no debugger

Posted on June 01, 2018 at 23:20Hi,This is a new custom board with the STM32H743II MPU with a Segger jlink debugger. Segger continually says that it cannot connect.I have tried connecting with both SWD and JTAG, but same result.All other comments ar...

Resolved! STM32L4 simple uart transmit interrupt

Posted on April 10, 2018 at 13:14Hello,i've followed many tutorial to try to get UART with interrupt working on my stm32l476rg (nucleo board) :at the main.c, before while(1) loop :HAL_UART_Transmit_IT(&huart4, (uint8_t *)welcome_str,sizeof(welcome_s...

Timer 3 clock half of that expected

Posted on June 05, 2018 at 11:27Hi, we are struggling to understand the behaviour of the timer clock for the STM32F767zi.We are using the nucleo-F767zi board, at 216MHz.The  for APB1 prescalar is 4, and due to the x2, we are expecting the Timer3 clo...