STM32 MCUs Products

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ST-LINK/V2 LPUART Connection

I tried to set up a UART connection from my custom board to my PC but encountered some problems and after a bit of probing, it seems that UART TX and UART RX are connected to GND. Do I need to enable UART somewhere for the ST-LINK ? Also why do some ...

JS8_2-1709793600969.png
JS8 by Senior
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  • 2 replies
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SPI slave mode send data after transaction complete

I'm trying to send a fixed length packet in SPI slave mode from the STM32 via DMA. The SPI master may send/recv longer than that fixed length packet. It would be nice if the STM32 just sends 0 one the transactions is complete, but it seems to want to...

Lee3_0-1709843401327.png
Lee3 by Associate III
  • 2595 Views
  • 4 replies
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Trying to locate the ADC SAR sampling estimation tool

The application note AN2834  (https://www.st.com/content/ccc/resource/technical/document/application_note/group0/3f/4c/a4/82/bd/63/4e/92/CD00211314/files/CD00211314.pdf/jcr:content/translations/en.CD00211314.pdf  page 36)  mentions a "SAR ADC samplin...

etl17 by Associate II
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  • 1 replies
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Resolved! STM32G030 Oversampling Trigger Rate

I am a bit confused by the documentation on oversampling and the required trigger rate.  I'd like to do 2 conversions a second on 5 channels using 256x oversampling.  I have the ADC in continuous mode. I am triggering off TIM3 update.  It's not clear...

Resolved! SysTick and FREE Rtos

Hi to everybody.I'm using H5 and FREE RTOS. I'm porting a project from M3 , than M4 now to H5. I used LL for all the periferals, but moving to HAL isn't a probelm (... but I prefer  LL!).On M3 and M4 I used a timers to "serve" the RTOS scheduler, the...

TheRaprus by Associate III
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  • 4 replies
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Resolved! STM32H7 M7 to Update M4 flash area

Hello community! I am developing an app that is running in an H7 MCU, the M7 core app is "turning on" the M4 and then is running to an external flash where is the actual M7 code.I am looking to implement an update in this M7 "bootloader". As i unders...

urbito by Senior II
  • 4268 Views
  • 7 replies
  • 1 kudos