STM32 MCUs Products

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STM32G071 write protection, bricked MCU flash

Hello, MCU bricked after I tried to remove write protection. Now when I read the flash it shows only 0xFFFF0080. Read the full description bellow. We are making new project using STM32G071.We use serial communication custom bootloader so we can updat...

0693W000008GRaUQAW.jpg 0693W000008GRfyQAG.jpg
SAlek by Associate II
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  • 3 replies
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Resolved! Reset timer output compare output with timer in one pulse mode

I am using an STM32H742 MCU and have a timer with an output connected to the output compare function. The timer is triggered from another timer and set to One Pulse Mode. Basically I want the output to go high and stay high once the compare value is ...

JBerry by Associate III
  • 3077 Views
  • 5 replies
  • 1 kudos

DMA unexpected work on stm32g071

i want to use dma ch2 to response a request of Req_CC3 to load a new value to TIM1 CCR1 or CCR2 . i need dma in some turns but not always so i choose nomal mode. i'd like to know if dma request is  accumulated in stack or somewhere. caus...

rpip.1 by Associate III
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  • 1 replies
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How to find the address of the BLE advertising device?

I have to extract the RSSI from scanned packet w.r.t to its device address. I got the RSSI but I am unable to get the actual device address. But in the manual they mentioned that"Once the scan parameters are set, the device scanning can be enabled. T...

Kryptons by Associate II
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  • 0 replies
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Resolved! Is it possible to trigger serially using timers.

For example, there are 3 timers (Timer 1, 2, 3).I want to set like below: Timer 1 : MasterTimer 2 : Slave of Timer1Timer 3 : Slave of Timer2When I checked the waveform after setting similarly to the above, it seemed that timer2 could not trigger time...

SPark.28 by Associate II
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  • 3 replies
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Resolved! IWDG reset

Hi,I use STM32L496RGT6 with own bootloader. If I start IWDG in bootloader and periodically reset it it is work good. If I jump to application and call HAL_IWDG_Refresh(..), function doesn't refresh IWDG and IWDG reset mcu. I tried call MX_IWDG_Init()...

lorant124 by Associate III
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  • 1 replies
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'Black Pill' HID gamepad (newbie)

I just bought a 'black pill' STM32F411CE. My goal is to create a HID joystick/gamepad device. While I have been a Software Developer for over 30 years (mostly Windows end-user apps), these boards are completely new to me. So please understand my igno...

CCurl.1 by Associate
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  • 0 replies
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