STM32 MCUs Products

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Forum Posts

H723 Cubemax:SPI cannot recieve data

  I has been devloping an ECG program with ADS1292R and STM32H723VGT6.I has been struggling with a problem. The ADS1292R uses SPI and it's register can be read if I use STM32C8T6 which configuerd by libray finction.But when I configuer program with H...

begall_0-1708768046408.png begall_1-1708768087740.png
begall by Associate II
  • 1756 Views
  • 7 replies
  • 2 kudos

Keeping data on multiple STM32s in Sync

Hello,I need guidance on how to best implement a packet protocol to keep the data on multiple STM32F373 in sync with each other.  If possible, I would like to reach a 'refresh rate' of 30ms.  Packet payloads for data refreshed could be up to 50 bytes...

LMorr.3 by Senior II
  • 1515 Views
  • 6 replies
  • 1 kudos

STM32F411RE PC13 user button mode is only pull-up?

Hello ST community,I can't find on the st.com website the documentation showing the electronic circuit of the STM32F411RE, especially for the user button. In which document can I find it?On the web it seems that schematics from google image show that...

schematics.png

stm32f1 DMA to PWM first bit issue

Hi,Im new to stm forums so sorry if i make any mistakes.Im using a stm32f103RET6 since i am familiar with f103 and i need usb/other peripherals. Thus far everything works great. However...Im trying to offload some work from cpu to DMA by sending a pr...

Levi--G by Associate II
  • 4291 Views
  • 6 replies
  • 0 kudos

How to read data from a sensor

So, I'm trying to read data from a dht11 sensor. In the datasheet says that you have to send high signal, wait 80ms, then low signal, and dht11 will start sending data.My problem is, I don't know how to debug this. I don't know how to see if I my sen...

pablo1409 by Associate II
  • 3554 Views
  • 6 replies
  • 1 kudos

Resolved! STM32F303 PWM generation TIM1_CH3

Hi,I'm having trouble getting PWM output on my STM32F303. I'm using CubeMX for pin config, then generating for Make for use with VSCode on Ubuntu. TIM1_CH3 has been configured for PWM output on PC2, and TIM1_CH2 on PC1. CH2 works as expected, while C...

kristblo by Associate II
  • 842 Views
  • 1 replies
  • 0 kudos

Resolved! STM32U5A5: DCache as "memory"?

My question might sound "strange" for HW experts.My STM32U5A5 MCU has DCache (16KByte). Datasheet says: used when external memory is connected (e.g. NAND/NOR flash, OCTOSPI).DCache is not used for internal memory (when running from MCU flash or inter...

tjaekel by Lead
  • 1359 Views
  • 3 replies
  • 3 kudos