STM32 MCUs Products

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Resolved! Why does LwIP need CPU DCache (on STM32H743)?

To enable LwIP in CubeMX (inside CubeIDE) it needs the CPU data cache enabled.  Ok, no problems, but it doesn't explain why and I can't find why this is the case. Is anyone able to offer an explaination?  

musmuris by Associate II
  • 4189 Views
  • 9 replies
  • 3 kudos

How do I set the NUCLEO-L476 to Low power mode

I need to use the energy collection mode of ST25 to wake up L4. The software used now is En.X-Cub-NFC7. How can I modify the example code to set L4 to low power mode and wake up L4 only through the energy of ST25?

Resolved! Uart receiver pb

 i have established communication with a BLDC (Brushless DC) controller. Initially, i send a message to the controller using the function void sendParameter(uint8_t parameter). Following this transmission, the BLDC controller is expected to respond w...

kkhli.1 by Associate III
  • 10947 Views
  • 26 replies
  • 11 kudos

Resolved! NUCLEO-144 H723ZG "Can not connect to the target!"

Hi there,I received a new out of the box NUCLEO-144 H723ZG board which I can not connect, but getting the "Can not connect to the target!" message (see below)What I've done so far:- checked the Jumper as described in user manual UM2407 section 5 >> a...

PGrif.2 by Associate III
  • 2273 Views
  • 7 replies
  • 2 kudos

Resolved! NUCLEO F411RE, interrupt preemption priority is not available.

I am trying to set up a multichannel ADC and following YouTube tutorials to create it. However, the STM32 IDE will not allow me to set preemption priority to 1. Similarly, I cannot set the clock prescaler as divided by 2.  I need to make a multichann...

niru_0-1705330259946.png niru_1-1705330324783.png
niru by Associate
  • 1883 Views
  • 4 replies
  • 0 kudos

Resolved! Where are the schematics for NUCLEO-H743ZI2

Hello,I have here two Nucleos with an H743 on it. If it is rev Y, it is the "old" 144pin Nucleo board with the break-off ST-link board on top. For this there is a schematics in appendix A of the user manual. But if it is rev V, it is NUCLEO-H743ZI2 ,...

stm32 dma request synchronization settings

Hi,I have an external SPI 8 channel ADC which is connected to the STM32,one of timers would generate a 32KHz 50% pwm signal which is connected to the ADC convert pin, the ADC has a busy pin which is connected to the EXTI0 of the MCU.The plan is to us...

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