STM32 MCUs Products

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Resolved! 1.8V VDD and 3.3V VUSB

Some STM32's have VDD and VDDUSB. Setting VDD to 1.8V and VDDUSB to 3.3V, the GPIOs work at 1.8 V, and USB keeps working (the USB transceiver needs 3.3V). Each time, there is a note that VDDUSB has to be the last power supply to be active when poweri...

koendv by Associate II
  • 5148 Views
  • 4 replies
  • 1 kudos

Multiple UART implementation

We are using a the Microcontroller for one of our products , we are using two UARTS for communication , however when both the UARTS are enabled we are facing some difficulties in the communication, can anybody help in this ?Attached is the main file ...

Pooshan by Associate
  • 3519 Views
  • 7 replies
  • 1 kudos

STM32U585 SmartCard Mode Init Error

Hi TeamI am working on the ST provided package with TF-M Example and working on adding the smart card interface at uart3(without using cube mx setup). I have a working code with smart code with TF-M Structure(GTZC enabled) and using Cube MX. I used t...

PJose.4 by Senior
  • 367 Views
  • 0 replies
  • 0 kudos

STM32G431KB DAC DMA not working

Trying to get a basic sample DAC1 with DMA, triggered by TIM2 working. This should be trivial, works fine on SMT32F3. I'm using a Nucleo-32 SMT32G431.Using Cube IDE. The only non IDE-generated code in main is: /* USER CODE BEGIN 2 */   static uint...

PBieg.1 by Associate II
  • 5907 Views
  • 21 replies
  • 3 kudos

STM32 NRST line

Hi,We are using STM32L452 for our project.We have problem with pin NRST.We set a 30K pull-up resistor (with pull-down capacitor of 0.1uF).Sometime voltage on the NRST pin is 3.3V and sometimes it is 1.4V.In cases it is 1.4V the MCU is stuck.We think ...

Ofer by Associate III
  • 5499 Views
  • 10 replies
  • 3 kudos

regarding spc5 issue

question 1-- Hi all ,in spc5 studio i am unable to to find the target device in debug configurator if i connect PE micro multilink universal to SPC560B60L5B6E0Y controller i power up all the thing even then i am unable to find do we require any addit...