STM32 MCUs Products

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Resolved! SWO stops collecting data after a few packets

I'm trying to do some debugging using SWO on an STM32G474. After a very short amount of time no new packets are displayed in CubeIDE (usually after ~2500 packets). I limited the SWO frequency to various values between 100kHz and 8 MHz. Using an oscil...

Herm by Associate III
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  • 13 replies
  • 2 kudos

Resolved! PWM in Stop2-Mode with LPTIM2

Hello,I am using STM32U575 and would like toimplement a PWM output. This should also work in Stop2-Mode.Clock for the LPTIM is LSE. It works with LPTIM1 and 3 without any problems.To generate a PWM in Stop2-mode, I use the LPBAM with LPDMA. Now I wou...

JoachimO by Associate II
  • 1794 Views
  • 5 replies
  • 4 kudos

Resolved! possible errata in STM32L4R5 reference manual (rev9)

page 1320; timer 2 input pwm mode"1. Select the active input for TIMx_CCR1: write the CC1S bits to 01 in the TIMx_CCMR1 register (TI1 selected).2. Select the active polarity for TI1FP1 (used both for capture in TIMx_CCR1 and counter clear): write the...

b.a. by Associate III
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  • 3 replies
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Resolved! Errors in figure

In RM0351 Reference manual Figure 420. USART block diagram, the positions of shift registers and data registers (of both Transmit and Receive) are wrong; their positions should be swapped.  

errors_in_figure.png