STM32 MCUs Products

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Resolved! USART 2 Transmit not working

Board : STM32F746GI configure USART1 with same configuration. USART1 is working fine. I did same configuration for USART2 also, but USART2 not working. I don't know what's happening.Thanks Manikandan D

Mani1 by Associate II
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  • 9 replies
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Push button: is there a need for software debouncing?

Hi. I am trying to trigger and external interrupt using a push button (rising edge trigger and use internal pull down). When the push button is pushed, the variable cnt should be incremented and the pulse width of the PWM shall be changed according;...

M7890.1 by Associate III
  • 3762 Views
  • 3 replies
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Incorrect RTC operation in STM32L073CZ

Good afternoon.I have developed a device for collecting data from sensers and storing them in external memory.During testing, I revealed a failure in the operation of the device.Investigation of the behavior showed that there is an error in the RTC o...

AManu.1 by Associate II
  • 1209 Views
  • 6 replies
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MCU boot

I designed Control card using stm32f205vet6 and it working good. But when I changed MCU  to stm32f205vbt6 I have boot problem. boot address is  0x1fff3de4 so MCU is not working.

sözme.1 by Associate
  • 455 Views
  • 1 replies
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High jitter on MCO output?

I just got my NUCLEO-H723ZG board, I loaded the GPIO_InfiniteLedToggling example project, downloaded the program to the board and it worked fine. Then I added a very simple code to output the HSE clock to an MCO pin. /* Enable the MCO1 Clock */ LL_...

HWidj.2 by Associate III
  • 2487 Views
  • 10 replies
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Extended CAN2.0B filtering in List mode problem

Hello, In my system I have extended canbus with 29b identifier. With mask filtering it looks to be working, but list filtering gives me problems; ( i have setup where on STM32 is sending data with with any ID I want, and second is capturing data as w...

Linas L by Senior II
  • 477 Views
  • 0 replies
  • 0 kudos

How to active WS2812LED on stm32G071CB?

Hi,I took code from:https://controllerstech.com/interface-ws2812-with-stm32 and made the adjustment to my MCU (stm32G071CB). but it didn't work.I manage to generate pulses from PWM with DC of 66% in 800K but not through DMA. I also try to ran it fro...

SAram.11 by Associate
  • 741 Views
  • 2 replies
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Interrupt not working after jump to code from bootloader

I have a project that consists of a bootloader and 2 pieces of code on STM32L100R8. The bootloader correctly switches to the relevant piece of code but it seems as though when the code receives it first interrupt it fails. Attached are screenshots of...

0690X000006C8etQAC.jpg 0690X000006C8eoQAC.jpg 0690X000006C8ejQAC.jpg
spack by Associate
  • 3568 Views
  • 9 replies
  • 0 kudos