STM32 MCUs Boards and hardware tools

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Forum Posts

SPI signal distorted at high speed

Two STM32H743 series MCUs are on a single board and they communicate using SPI. When SPI clock frequency is more than 1.5 Mhz, SPI communication is not working properly. The distorted clock signal waveforms at high frequencies are attached below.A 51...

JCAeron_0-1740118503461.png TEK00000-20250203-201636.PNG TEK00009-20250212-171326.PNG TEK00001-20250203-203652.PNG
Jonah9Veh by Associate III
  • 3829 Views
  • 9 replies
  • 1 kudos

Extra character in UART RX buffer

I'm trying to receive data through USART1 using STM32F407. I decided to not use HAL api's to achieve that, so I'm receiving character by character and storing them in an array. Every character I send is received correctly but apart from the actual da...

BentoCopi_0-1740567758992.png BentoCopi_1-1740567790782.png
BentoCopi by Associate II
  • 4562 Views
  • 13 replies
  • 9 kudos
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