STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! NUCLEO-STM32F429 SPI at MAX speed (45 MHz)

Hello,I have NUCLEO-STM32F429ZI kit and I want to operate the SPI as max speed. So, I design one simple example like make SPI1 as Slave and SPI4 as a master mode.This is worked for SPI_BAUDRATEPRESCALER_8 (11.25 MHz), SPI_BAUDRATEPRESCALER_16 (5.625 ...

AP_040 by Senior
  • 5408 Views
  • 9 replies
  • 0 kudos

Resolved! Dear All, I have no experience with STM32 board but I'm planning to use one to log data for my impact test setup.I need 2 simultaneous 12bit readings from the ADC channels at the highest rate possible with DMA.

1st question: How many numbers will be saved in RAM?2nd question: Is it possible to get more accurate data by decreasing the ADC sampling rate.Thank you.P.S: I'm sorry, if this is a very simple question but I am a structural engineer and nobody is pe...

MAli.11 by Associate II
  • 974 Views
  • 5 replies
  • 0 kudos

STM32F4 ADC overrun errors

Hi, I have a problem configuring ADC1 on an STM32F429 to do a regular scan of a sequence of 4 channels without using DMA. The fourth channel is the internal temperature sensor. The third channel to be scanned always gives an overrun error (ADC_SR.OVR...

ScottT by Associate
  • 820 Views
  • 2 replies
  • 0 kudos

RAM retention between resets.

Hello,How do I retain a RAM section from bearing filled with '0' between resets.Suppose I have a pointer to 256 bytes buffer that I'd like to preserve between resets (as long as the power was not disconnected), could you please guide me, step by ste...

EMich by Associate II
  • 1209 Views
  • 2 replies
  • 0 kudos