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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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STM32L Discovery, How to output HSI with MCO

Hello.I am currently developing with STM32L Discovery.In preparation for development, I tried to output using the MCO in order to know the exact frequency of the HSI of the evaluation board used.By operating MCOSEL in the RCC-> CFGR register, MSI and...

ota-s by Associate II
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  • 10 replies
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DMA memory to peripheral question.

Hello,I have a doubt regarding DMA memory to peripheral ?Suppose I would like to transfer a memory buffer content to SPIx TX.When do each transfer occurs ? Every time I change the content of the memory buffer ? Always ?I cannot find this information...

simo zz by Senior
  • 273 Views
  • 2 replies
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Unnecessary SD card command in block read/writes

Hi,When looking into stm32l4xx_hal_sd.c, I observed the following code:   if(hsd->SdCard.CardType != CARD_SDHC_SDXC)   {     add *= 512U;   }   /* Set Block Size for Card */   errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);   if(errorsta...

Lama by Associate III
  • 825 Views
  • 7 replies
  • 1 kudos

Problems with configuring the FDCAN of the STM32H743ZI

We have the following situation: We want to use the FDCAN of the STM32H743ZI with 500 kbit/s. We've got followingconfiguration parameters for the FDCAN1:hfdcan1.Instance = FDCAN1;    hfdcan1.Init.FrameFormat = FDCAN_FRAME_CLASSIC;    hfdcan1.Init.Mod...

TPien by Associate
  • 319 Views
  • 1 replies
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coocox os RTOS with stm32l0

I want to use coocox os with an stm32l083cz . while i am compiling the code the following error appears. /tmp/ccpwcyyg.s: Assembler messages:/tmp/ccpwcyyg.s:242: Error: selected processor does not support `stmdb R0!,{R4-R11}' in Thumb mode/tmp/ccpwc...

Resolved! Measuring exact time between to pulses

Hi all,To be hontest, I am a beginner when it comes to timer and capture hardware. Maybe someone can help me figuring out what the best way is how I can measure the time between two separate impules i get on two separate lines. Accuracy shall be very...

Microman by Associate III
  • 1612 Views
  • 2 replies
  • 0 kudos