STM32 MCUs Products

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Resolved! USB on STM32G0

I developed a user device with a STM32G030 in it. Now I want to go to the market. But before that, I want to have a USB port on my board with which users can update their firmware in case my software has bugs. In the STM32G0x0 datasheet (RM0454) in c...

JanAtze by Associate II
  • 3179 Views
  • 4 replies
  • 1 kudos

nucleu-h745zi-q rs485 without external module

Hello//   nucleu-h745zi-qI want to use hardware flow control rs485Previously, i used an external module because there was only rs232 (f103).** question ** . With this feature, can the module be removed and the microcontroller directly connected to A ...

MGH745 by Associate II
  • 1154 Views
  • 4 replies
  • 1 kudos

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
  • 4215 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
  • 11023 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
  • 2303 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
  • 1917 Views
  • 4 replies
  • 0 kudos