STM32 MCUs products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Problems: STM32H743ZI two SPIs to receive data with DMA

Hello,I use STM32H743ZI two SPIs with DMA to collect data. The data are OK when only one SPI with DMA is activated. However, when I use two SPIs with DMA to collect data simultaneously, the data collected are not correct. The DMA setup:Codes to colle...

0690X000006C7kIQAS.png 0690X000006C7kNQAS.png 0690X000006C7kSQAS.png 0690X000006C7kXQAS.png
MSun.5 by Associate II
  • 237 Views
  • 4 replies
  • 0 kudos

PWM TIM1 frequency differs from calculation

Hello,i have a simple task which turned to be more tricky than i expected.The system uses a 8mhz HSE.My clocks are :HCLK/SYSCLK is 100MHZPCLK1 is 25MHZPCLK2 is 50 MHZ ( 100MHZ for TIM1)I need to generate a 50% duty 100khz PWM signal via PE9 pin ( cha...

Bogdan by Senior
  • 171 Views
  • 1 replies
  • 0 kudos