STM32 MCUs Products

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Digital Input Wrong value

I have done a PCB Design with microcontroller STM32L071CZT6 as the mcu. PB15 which is a 5V tolerant pin is connected to a source of 4.9 V with a resistor 270 kOhm in between. I measured the voltage at the PB15 pin to be 4.9 V but, when I set it as Di...

ASiva.1 by Associate III
  • 228 Views
  • 2 replies
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Resolved! TIM2 and TIM3 Behaivoural Differences

Hello, I am trying to write some non-blocking motor driver code for a STM32F401Re board. Currently, I am setting the timers to PWM mode and adjusting the ARR to change the PWM frequency using an IRQ handler. This approach is working for TIM3 output, ...

teberle by Associate II
  • 391 Views
  • 3 replies
  • 3 kudos

Resolved! adc fails to initialize

Board: stm32h753zi nucleoFirmware & CubeMX: latest versionI have configured the adc to continous conversion and DMA output. The initialization fails in main.c in HAL_ADC_INIT. I stepped through the HAL lib and saw that LL_ADC_IsInternalRegulatorEnabl...

mo_krauti by Associate III
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  • 18 replies
  • 1 kudos

Error: Unable to get core ID

im using STM32H753VIT6 MCU.I'm try to connect device using SWD in STLINK debugger but it will show "Error: Unable to get core ID" this Msgim checked MCU input voltage,im getting 3.3v .input power is oknow how can i debug this issue.SWD pins properly ...

kesavans by Associate
  • 333 Views
  • 2 replies
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STM32L071CBT6 issue While recieving Input for GPIO pin

 STM32L071CBT6 GPIO PB15 Input Not Responding to 5V Signal from Buck ConverterHello everyone,I'm using the STM32L071CBT6 microcontroller and facing an issue with reading a digital input on GPIO pin PB15.What I'm Trying to Do:I’m using a buck converte...

Hema_56 by Associate
  • 171 Views
  • 1 replies
  • 1 kudos

Resolved! [STM32F405] flash level 2 protection

Hi, I was trying to test the feature of "Level 2 flash lock" on my custom board. I'm having an unexpected behaviour.My total application consists of a bootloader responsable to load an application via CAN BUS through a custom communication protocol.N...

Resolved! STM32L031 UID

Hello,I read the UID from STM32L031K6P6 and each device returns the same result: 0x14473332, 0x38363437, 0x0.I read the value from the address given in RM0377 (0x1FF8 0050).Is the address given in RM0377 correct?I am attaching screen shots from CubeP...

NextUser by Associate
  • 235 Views
  • 2 replies
  • 3 kudos