STM32 MCUs Products

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Resolved! CAN TX pin always high in NORMAL mode

I'm trying to set up CAN in the Nucleo STM32H723 eval kit, I can see the message written to the CAN RAM, but I dont see any activity on the TX pin using an oscilloscope. The CAN is configured in NORMAL_MODE, I have testes before with EXTERNAL_LOOPBAC...

MudKIP by Associate II
  • 1140 Views
  • 3 replies
  • 1 kudos

Resolved! About SPI1,2,3 CLK Config

We are developing using STM32H743.We want to set 100MHz for SPI1 CLK and 117kHz for SPI2,3. However, we cannot set it because of "clock tree" and "maximum divisible limit is 256".Is there any way to achieve the above configuration?

false trigger on break pin b12

Hello experts in my solar inverter i am running pwm at 19k with break enable function polarity high ,i have pulled down breakinput pin with 1k and has not used additional circuit of lm393 yet to control break but the break function falsely trigger au...

break.jpg
ahmash by Associate III
  • 715 Views
  • 3 replies
  • 1 kudos

Resolved! STM32L486VGT6 - Port mapping during Bootloader state

Hello everyone,In my project, I am using the STM32L486VGT6 microcontroller to manage several hardware peripherals. Additionally, I plan to utilize the bootloader feature to flash the code via the USBFS interface.As we know, when the MCU enters bootlo...

NirAlon_0-1733567896038.png NirAlon_1-1733567915738.png
NirAlon by Associate III
  • 853 Views
  • 4 replies
  • 1 kudos

STM32F407G-DISC1 expanding I2S2 project

Hello,I am newbie and i have project with STM32F407G-DISC1 and PMOD I2S2. It generates two RNG values at start and with buttons switches digital filter correspoding to RNG value and shows it on LED in binary. Digital filter length and coefficients ar...

CzyzyK by Associate II
  • 733 Views
  • 0 replies
  • 0 kudos

STM32H7 PCx_C pins unusable for boundary scan?

Hello,I used CubeMX for a design for H75x in LQFP176.I was able to configure SDCKE0+SDNE0 signals of SDRAM Bank 1 to PC2_C and PC3_C.Now I wanted to configure a SDRAM test using JTAG boundary scan but the JTAG tool manufacturer claims that these PCx_...

regjoe by Senior II
  • 1817 Views
  • 9 replies
  • 0 kudos

Resolved! [SOLVED] [STM32H503] SPI1 does not send anything

Good day, everyone.I'm trying to launch SPI1 under Arduino IDE. The transmission didn't work and I switched to direct control of the registers. The code used is below:  #include <Arduino.h> #include <SPI.h> void setup() { SPI.begin(); Serial1.beg...

smalcom1 by Associate
  • 881 Views
  • 2 replies
  • 2 kudos