STM32 MCUs Products

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How to Reset STM32 Timer Internal Trigger Connections

I'm using the STM32H735 to create a sequence of PWM signals. I have timers TIM1, TIM2, TIM4, and TIM24 all connected in a slave timer chain. TIM1 triggers TIM2 with ITR0. TIM2 triggers TIM4 with ITR1, and TIM4 triggers TIM24 with ITR3. Each link in t...

JAitc.1 by Associate II
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  • 12 replies
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STM32F030 cant be flashed with openOCD

I'm tring to work with a STM32F030F4. Unfortunately I didn't manage to flash the application on the controller. I'm using openOCD with a ST-Link.I use the following to start openOCD: openocd.exe -f interface\stlink-v2.cfg -f target\stm32f0x.cfgI now ...

stm32H73** sleep mode

Hi, My test board can enter sleep mode OK, but doesn't wake up when PC13 goes high: (never reach __enable_irq())  void Sleep() { __disable_irq(); SysTick->CTRL = 0; // Enable WKUP4 (PC13) PWR->WKUPEPR = PWR_WKUPEPR_WKUPEN4; // Enable WKUP4 PWR->WKU...

harareyd by Associate
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  • 3 replies
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change of dead band issue in PWM

Hi,i was trying to change dead time from (244 value to 100) for every 10ms in a loop. But its not updating , the set dead time is 244 in the PWM waveform. Though my dead band register ( DTG) is updating  at every 10ms. I am updating TIM1->DTR2  if(en...

Sushmita by Associate II
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  • 1 replies
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, ETH[FIN, ACK] and HTTP GET retransmissions

Good morning. I'm running an STM32F767Zi on a custom board, LwIP 2.1.2, no OS. The device acts as a HTTP server. I've got an issue where I get GET requests and [FIN, ACK] packets retransmitted by the web browser.192.168.5.106 - Client192.168.5.196 - ...

Screenshot 2024-10-21 092806.png Screenshot 2024-10-21 150452.png
pelgrimo by Associate
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  • 1 replies
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STM32U LPTIM Autonomous Mode

I am using the LPTIM3 with LSEAn external input is used to trigger a capture.The STM32U575  spends most of the time in STOP MODE 2.To keep the LSE active in the LPTIM use the following instruction:_HAL_RCC_LPTIM3_CLKAM_ENABLE(); // SET_BIT(RCC->SRDAM...

dhs by Senior
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  • 1 replies
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