STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM33H733 + SDRAM?

Good morning everyone,Sorry for the (maybe) silly question. For a new design we would like to exploit the STM32H733ZG microcontroller. From its datasheet it seems that it supports a 16-bit SDRAM, and for our application it should be at least 16 MB la...

eravi.1 by Associate
  • 600 Views
  • 2 replies
  • 0 kudos

5V parasite power supply and 3V3 MCU

I have a requirement to use DS1820 temperature sensor in parasite mode, that needs 5V power supply (2 wires only) and STM32 MCU.It works with 3V3 power supply, but there is increased measurement time, and it stops working over like 80°C.I guess durin...

HTD by Senior III
  • 880 Views
  • 7 replies
  • 0 kudos

Selecting a Suitable Ultra-Low Power MCU

Hello, I am using a Power Management IC with Digital output supply specifications in my project with very low power. The average digital outputs are: 1.8V, 85uA, 150 uW.I am struggling to find a suitable low power MCU. Any suggestions?For example, I ...

MTaj-.2 by Associate
  • 2657 Views
  • 3 replies
  • 0 kudos

Timers first pulse is different and timers not in sync

Hi,I have spent a few days trying to get the timers in sync, that is use one timer with multiple outputs; oc,PWM,base. I am generating a 1MHz clock for an external device. And then a start pulse. When the timer overflows ADC starts. It needs to be ex...

DWuje.1 by Associate II
  • 514 Views
  • 1 replies
  • 0 kudos

USART receive break and reset mcu

Hello,I use STM32G0 and USART2 in IT mode or DMA mode.When the mcu receive a break command on uart line, he reset after entering on the IRQ handler.Have you an idea ?Regards

tvill.1 by Associate II
  • 5678 Views
  • 18 replies
  • 0 kudos

No response from TIM2 and SPI2

Hello all,I have been working on an STM32F0, with an external ADC. I used PA5 as an SCK with SPI1_SCK, PA6 as an SDO with SPI1_MISO, and PA8 as a CNV with TIM1_CH1. With one external ADC, it all worked as intended. I used an oscilloscope to confirm t...

JKing.8 by Associate III
  • 686 Views
  • 5 replies
  • 0 kudos

Is there a workaround for the 'Additional reset needed after power off/on to enable connection to the BL interfaces' bootloader bug of STM32H743?

I would like to use the integrated Bootloader of the STM32H743 for updating the firmware over I2C. I don't have access to BOOT or RESET pins at the I2C master side, so my desired procedure would be:Send a command over I2C to my firmware. Once my firm...

JArwe.1 by Associate II
  • 438 Views
  • 0 replies
  • 0 kudos