STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! HAL_UART_Transmit cost 15ms?

I just find my HAL_UART_Transmit() function cost 15ms. why does it cost so much time?The UART speed is 19200, and I use GPIO set and reset function to check the time cost.Total data length of send buffer is 29 bytes. and I use a 15ms polling loop to ...

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RTC on Timer Interrupts

I am using TIMER 14 for counting test durations in my projects however I am lagging off aroumd 5 mins per week.How can i implement the same with RTC counter?

meena by Associate III
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  • 1 replies
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STM32H503RB I3C private communication

Hi all, I tried to communicate(private) with my I3C slave device by using STM32H503RB board (as a controller). Here's the code from "Introduction to I3C for STM32 MCUs - Application note Chapter 9.8 Private read"    uint8_t aTxBuffer[1] = {0x0F}; u...

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SteveDu by Associate II
  • 347 Views
  • 3 replies
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STM32H503 I3C, I3C_RSTDAA_THEN_ENTDAA issue

Hi, I am working with STM32H503RB.I'm currently testing the function of "I3C_Controller_ENTDAA_IT" from the example code.Capture1 is the result of "I3C_RSTDAA_THEN_ENTDAA"The expected behavior of Capture1 should be 7E06 then 7E07.Why would 7E02 occur...

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SteveDu by Associate II
  • 323 Views
  • 3 replies
  • 1 kudos

STM32G030 debug in low power sleep mode

Hello,I've a project with the STM32G030F6 which the application use in 90% of time the low power sleep mode. In the reference manual page 95 is written that can debug:But in the register DBGMCU_CR dosn't exists a flag for the low power sleep mode. On...

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bm2 by Associate III
  • 160 Views
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Hard fault on Using FMC ram on stm32h753

I'm using a STM32H753 with external RAM. We were using it for LCD framebuffer. Now we are trying to migrate the stack and heap to the external RAM, when we run the code, getting hardfault on lines where std::array is declared. Any idea on how to debu...

sivaram by Associate III
  • 789 Views
  • 11 replies
  • 2 kudos

STM32H7 CPU stall after RDP level change

I have an issue when changing the option bit of STM32H742 to change the RDP level to 1.I read out option bit from register FLASH->OPTSR_CUR, change the RDP bits to eg 0xBB, write the result to FLASH->OPTSR_PRG and then set bit FLASH_OPTCR_OPTSTART in...

Resolved! STM32Cube_FW_U0_V1.0.0 Version problem

I have recently upgraded CUBEIDE to v1.15.1I tried to add a example project to my workspace and it states Required Software PackageWhen I click next and finish, I get the errorI have checked for updates etc and tried to download manually using Embedd...

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JK_lin by Associate
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  • 2 replies
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