STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Trigger SPI Read using Timer Update Event

Hello,I am trying to trigger each DMA read of my SPI to happen on update event Trigger output of my Timer but I don't think I have it setup correctly.I've seen this done using the internal ADC, where you can set the external conversion trigger source...

kcire L. by Associate III
  • 1655 Views
  • 3 replies
  • 0 kudos

Max voltage on pins when unpowered?

Hello,I notice in the STM32G030x6/x8 datasheet, Table 18 that the max input voltage on FT_xx and any other pin are VDD + 4V and 4V respectively. Does this mean those pins can be safely driven with 3.3V when the MCU is unpowered?Thanks,Nicholas

NLuon.3 by Associate
  • 593 Views
  • 1 replies
  • 0 kudos

Resolved! RTC Reference Clock (50Hz) worsens the LSE accuracy

As indicated by an4759, I am trying to use the 50Hz mains reference to improve the RTC accuracy of an STM32F413ZH.However, the results I get are much worse than without using the reference:LSE only: 0.6s/dayLSE+50Hz: 7.5s/day (test duration 4 days)Ac...

0693W00000JPqz8QAD.png 0693W00000JPr5FQAT.jpg 0693W00000JPr8JQAT.jpg 0693W00000JPr8sQAD.jpg

Incomplete HAL_DMA_Abort_IT() in STM32F7xx_HAL v1.16

Hello,During a UART transfer I used the HAL_DMA_Abort_IT() function. The transfer stopped but the DMA handle stays locked and in the HAL_DMA_STATE_ABORT. When in this state the only thing to do is reinitialize the peripheral.Anyone have some feed bac...

ibobbymk by Associate
  • 369 Views
  • 0 replies
  • 0 kudos

ADC on ST Nucleo H743ZI board with DMA on Zephyr platform.

Hai, I am working with ST Nucleo H743ZI board for analog-to-digital conversion without CPU intervention between samples, by using DMA in Zephyr platform. Is there any ready-made example for the above, that I can refer?Thank you. Sachin

SJ.7 by Associate
  • 424 Views
  • 0 replies
  • 0 kudos

I have question on STM32F777 RTC and super cap

I wanted to use RTC Circuit for Supercap.I have designed circuit (Check Attached snapshot).but i dont get back up time? can anyone explain do we need to do any provision in controller.It seems that capacitor is discharging very fast

0693W00000JPlkbQAD.jpg
Chiku by Associate II
  • 749 Views
  • 3 replies
  • 0 kudos