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STM32H7 RCC->RSR register does not hold reset cause

Hi everyone,I'm encountering an issue with the reset cause on my STM32H723VE microcontroller.Whenever I perform either a software or hardware reset, the RCC->RSR register does not retain any value—it always reads as zero.Here’s what I’ve observed usi...

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Olaf by Visitor
  • 22 Views
  • 4 replies
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TIM2 and TIM8 sync issue with DMA in circular mode

I AM USING STM32F446RCT6 MICROCONTROLLER HAL_TIM_OC_Start_IT(&htim8, TIM_CHANNEL_2); HAL_TIM_PWM_Start_DMA(&htim2, TIM_CHANNEL_4, (uint32_t *)gPWMData1, gPWMData1LastIdx); // trans is generated HAL_DMA_Start_IT(&hdma_tim8_up, (uint32_t)&gPWMData2[r...

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MGOEL.1 by Associate II
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  • 0 replies
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Ethernet on custom board with STM32H730

I have a custom board with an STM32H730 and a LAN8710A PHY, operated in RMII mode.  The board is a new design, based on an older board but with some differences (the older board has an STM32H750).  My short-term goal is to prove out the hardware -- a...

DanS by Associate
  • 2405 Views
  • 4 replies
  • 1 kudos

Interrupt curiosity (STM32G491)

Hello friends : )I've recently tested the NUCLEO-G491RE board for an upcoming redesign.Current design relies on quite tough interrupt latency so here is where I begun.As I understand, with no FPU usage (in isr) (ASPEN + LSPEN = 0) one could expect up...

Resolved! stm32c071kbt6 not detected as a USB device

 以上就是我配置的所有内容。您能指出我的配置有任何问题吗?根据上述配置,我的设备现在在开机时无法在计算机的设备管理器中检测为 USB 设备。Edit: That's all I have configured. Can you point out any issues with my configuration? With the above configuration, my device is now not detected as a USB device in the computer'...

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labubu by Associate
  • 97 Views
  • 3 replies
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Clock confirmation in NUCLEO-F767ZI

Hello,I was looking into this wiki tutorial on setting up a UDP echo server by @mƎALLEm , and the clock configuration caught my eye and wanted to confirm a few things.On the nucleo board , the 8 MHz crystal (X3) is not soldered and the 8 MHz clock si...

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ak52 by Associate III
  • 23 Views
  • 1 replies
  • 1 kudos