STM32 MCUs Products

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Resolved! GPIO input at 12V

Good Morning, I want to use a GPIO input or a ADC input as a logical reader which gives 0 or 1 if it reads 0 or 12 Volts. However, I know the maximal rating is normally 3.6 volts for those pins. However, i saw that the Adc can still read 5 volts, it ...

Jad by Senior
  • 100 Views
  • 1 replies
  • 1 kudos

STM32 Interleaved ADC Sample Timestamping

Hi, I am using STM32L476RG-Nucleo64 boards for one of my ultrasound projects. Basically, the process is:1)Send 2MHz pulses with pwm2) Sample 1000points with 8-bit interleaved ADC(500 each) and DMA3) Send ADC data through SPI.4) Wait TIM3 to trigger a...

Stm325 by Associate III
  • 205 Views
  • 7 replies
  • 2 kudos

Resolved! 5 khz wake from stop mode

I have an application in which I'm required to check the status of an accelerometer 5000 times per second but it's a battery powered device so I want to minimize power consumption. I'm using an STM32L053C8 on a custom board with an external LSE cryst...

MMora.6 by Associate II
  • 137 Views
  • 4 replies
  • 0 kudos

Resolved! receive unknown length frames with UART

Hello everyone,I’m working on an embedded project where I need to receive a variable-length stream of bytes via UART on an MCU  STM32H750. The key points are:All bytes are payload, no start or stop bytes, no protocol framing.The number of bytes is un...

Adam98 by Associate II
  • 418 Views
  • 17 replies
  • 5 kudos

what do they mean by UART multibuffer communication?

Tell me about multibuffer communication in the registers of the UART. We have a description of the RXNE flag. "The RXNE flag can also be cleared by writing a zero to it. This clearing sequence is recommended only for multibuffer communication". It tu...

RSolo.1 by Associate II
  • 236 Views
  • 11 replies
  • 4 kudos