STM32 MCUs Products

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There seems to be a difference between the system clock immediately after the firmware update and the system clock after the reset (or after power off->on).

Hello. I am using stm32f765 series mcu with iar compiler. A strange thing was caught during development and I left an inquiry.The problem I'm facing seems to be the difference between the system clock right after the firmware is uploaded and the syst...

YKim.5 by Associate
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  • 2 replies
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Resolved! SPI not working with MISO connected to 3V and 0V

I am trying to code SPI functionality to connect with an external 16-bit ADC. The STM32 only receives data from the ADC, so only a MISO and SCLK line, along with a Conversion/CS line is required. I am currently using the 32F072BDISCOVERY board to te...

JAlle.2 by Associate II
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  • 11 replies
  • 0 kudos

STM32G030F6 uart dma idle interrut CNDTR not work properly

Hi, team, I am work on stm32g030f6's uart dma. And config them as idle interrut mode to receive data.When the uart data on high frequence like 10bytes/30ms , the CNDTR will be aways MY_BUFF_LEN -1 , so i only can receive 1 byte data. After reset the ...

XWang.4 by Associate
  • 1079 Views
  • 1 replies
  • 0 kudos

Need a counter to count in micro seconds

Hi All,I am using STM32F74xxx.I need to count micro seconds. currently we are using HAL_GetTick(), function but it gives the time in ms.After I searched on google I found some ways to get micro seconds count, and I tried it but no luck.can any one he...

RRajb.1 by Associate II
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  • 4 replies
  • 0 kudos

Can't update GPIOx_MODER register value in STM32H753.

I work with STM32H753 through 3-rd side hardware (Algocraft WN-1 programmer) and have an access to the registers. I try to read/write GPIOJ pins. For this purpose I enabled GPIOJ clock by writing the AHB4 peripheral clock enable register (RCC_AHB4ENR...

LKuri.1 by Associate II
  • 817 Views
  • 2 replies
  • 0 kudos

2021 STM32 Wish List

Dear Community Members & STM32 fans,Peculiar year it has been, 2020 comes to its end. This is an opportunity to say "Thank you" because:you don't hesitate to bring help to othersyou help us improve our STM32 offeryou have confidence on ST Communityyo...

Resolved! AXI SRAM losing last few writes across reset

it seems that a write to AXI SRAM very shortly before a system reset (via AIRCR) gets lost. I wrote a very short block of code that simply reads a word from 0x24000000, increments it, writes it back, and resets the processor. I can see that the value...

CHead by Associate III
  • 4443 Views
  • 12 replies
  • 2 kudos

Bluetooth with STM32

Is there any part from STM which able to operates as bluetooth HID keyboard as well as bluetooth touchpad?

Bs.1 by Associate II
  • 370 Views
  • 0 replies
  • 0 kudos