STM32 MCUs Products

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STM32f401rct6 rcc cr register

Hi, noob here.I have a problem with the cr register, that's when I open the hse and Pll bite the ready register always been 0, if I need another operation? the output from the cr rigister is always value: 1000000010101101110000011. Thanks for your ti...

Shevshy by Associate
  • 258 Views
  • 1 replies
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What does hysteresis mean

In a datasheet for STM32F303K8, page 77::How does the Schmitt trigger hysteresis work here? When the input transitions from low to high, should the value of hysteresis be added to the minimum high level input voltage, or does it say that the pin will...

Zrzut ekranu 2024-10-17 093318.png
Adar70 by Associate II
  • 390 Views
  • 2 replies
  • 2 kudos

Resolved! SWD Multi Drop on STM32H5 and target instance

We are looking into accessing two identical H5 via one SWD connection. My understanding is that:- We would need to use third party tools instead of STLink for multi drop support- The processors support multi drop- But it does not work with multiple i...

KiloMike by Associate
  • 418 Views
  • 2 replies
  • 1 kudos

Resolved! Evaluation of Encoder Signal Level Shifting Approach

I’m working with an encoder that has a specification of 1024 pulses per revolution (p/r), and it will operate at a maximum speed of 1500 RPM. At this speed, the signal frequency produced by the encoder is approximately 25.6 kHz.The encoder outputs a ...

sktech by Associate II
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  • 10 replies
  • 6 kudos

UFQFPN32 - Stencil recommendations

Does anyone know where I can find STM's solder paste stencil recommendations for UFQFN devices?We are using STM32F051K6U6 however the datasheet only has recommendations for the BGA package of this device, not the QFN.We are getting shorts underneath ...

AMIGD by Associate
  • 353 Views
  • 1 replies
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Resolved! UDP packets no sent on certain ports

Why are UDP packets on port 53600 sometimes sent and visible in Wireshark, but at other times they are not sent? What factors could influence the intermittent transmission of these packets? 

priyazcs by Associate II
  • 348 Views
  • 1 replies
  • 0 kudos

Self waking up from Standby Mode

HalloI use STM32F779 and want to enter this device in Standby mode and wake up via Wake up pin (PA0). The problem is that everything only works one time correctly or it complete its loop first time just correctly. After the Reset, Microcontroller goe...

Slh by Senior
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  • 5 replies
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UART via DMA remains busy

HelloI am currently working on a project needing UART via DMA, however when trying to transmit something via this UART nothing is received on the receiving end and the UART remains in HAL_UART_STATE_BUSY_TX.I am also making use of ARM TrustZone.USART...

Resolved! STM32H563 bootloader SPI configuration

Hi,in AN2606 rev 64, I cannot find the SPI settings for STM32H563 bootloader, i e CPOL, CPHA etc. For the other MCU:s in this document, this information is provided.For example H72xxx comes with CPOL = CPHA = low.Using these settings, and a rather sl...

Dimlite by Associate III
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  • 4 replies
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