STM32 MCUs Products

STM32H747I-DISCO failed to connect after disabling CM7 in option bytes

After the validation of my CM4 application in the dual core I wanted to find a way to launch it automatically on power ON, which was not the case. The CM7 was running a touchgfx application, which was stopped during my debug session on CM4. Trying to...

I'm using STM32F072, In debug mode, breakpoints not working it shows Breakpoint installation failed: unquote match. What can i do??

UART - Data corruption due to noisy receive line

I found out in the errata of STM32G070 MCU (page: 12, section: 2.11.1) that: in UART mode with oversampling by 8 or 16 and with 1 or 2 stop bits, the received data may be corrupted if a glitch to zero shorter than the half-bit occurs on the receive l...

problem at while loop

HI, i am using two timers in interrupt mode by setting 100khz frequency for each . one timer interrupt is for my power factor calculation and other one for current calculation. But the problem is when it comes to while loop. once my code enter int...

Use of interrupt, STM32F407, with PE4, falling edge trigger

I would like to respond to the falling edge of a square wave that is of 50% duty cycle, running at 1us pulses (500kHz). This signal comes from my LA2016 logic analyzer (has PWM outputs) and is fed into PE4 of my STM32 discovery board (STM32F407VG MCU...

How cause a 60ms delay within a callback without using HAL-Delay()?

I want to cause a 60ms delay within a callback. I am sending data using a UART and the serial protocol requires certain delays. I would prefer not to change the Systick priority so that means the callback has a higher priority than Systick and HAL_D...

Is there a waY to provide a Timers external Clock Signal on CH1, but only if CH2 is Active?

Hi,​I would like to provide / route a Timers external Clock Signal to CH1 pin, but only if CH2 is in Active state.​So that it acts kinda like a AND Gate.​​Is this possible? If so, how? Is there a sample somewhere I can have a look at?​​greetings and ...

how to configure timers in master slave to have a low frequency pwm drives a high frequency pwm

Hello, I need to control a high frequency pwm with a low frequency pwm on a F407. I have used the gated method described in RM0090, it mostly works, but since the master pwm control the enable of the counting, the output of the slave timer can be le...