STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

I2C LL - no transmit

Got problem after converting from STM32F051 to STM32L051no data transmit.same board, same function:LL_I2C_HandleTransfer(I2C1, 8bitAddress, LL_I2C_ADDRSLAVE_7BIT,1, LL_I2C_MODE_AUTOEND, LL_I2C_GENERATE_START_WRITE);   Timeout=1000000; while(!LL_I...

IIvan.6 by Associate II
  • 694 Views
  • 0 replies
  • 0 kudos

STM32F427 SPI Enable control

HelloWe select the STM32F427 for new product and use the SPI slave function.​We want to control the SPI enable/disable for the data input control.(SPI_CR1 bit6 SPE) Can the STM32 SPI function receive the data immediately after SPI enabling?​Are there...

TFuji.5 by Associate II
  • 977 Views
  • 4 replies
  • 0 kudos

STM32H725 4 I2S streams

Hey Guys,I'm struggling to figure out how to stream sine waves at a constant frequency for 8 channels. Each channel has its own sine wave frequency. The issue I'm having is how to stream all these at the same time. I created an array for each sine wa...

0693W00000D02dgQAB.png
KRega.1 by Associate II
  • 2356 Views
  • 10 replies
  • 0 kudos

RTC code always setting time/date

Using STM32CubeIDE with a STM32L4R5.The RTC generated code initializes the RTC then sets the time and date.Is there a setting that will inhibit setting the RTC time and date during initialization?

RHerm.3 by Associate III
  • 1580 Views
  • 3 replies
  • 0 kudos

How to calculate RTC battery life time?

Hi everybody,STM32H7 RTC document says "The RTC consumes 225 nA at 1.2 V", does it mean 225nAh?if so, it a battery has 140mAh / 225 = 622,222h hours, which is around 71 years?Thank for help.

Dat Tran by Senior II
  • 2869 Views
  • 9 replies
  • 0 kudos

I'm using an stm32f429 2mb dual bank mcu and erasing a sector in flash bank2 from code running in bank1. This works ok, but interrupts in bank1 seem to stop while the erase is happening.

I'd have thought with read-while-write active, that interrupts should continue to run in bank1. For the stm32l devices, the documentation clearly states this will work. Can it also work for the stm32f429? Am I missing some configuration? Or will inte...

AW by Associate II
  • 981 Views
  • 5 replies
  • 0 kudos

Can I connect NRST to PC0 as I want to exit the package without VIAs between balls. STM32L433 UFBGA 100 Package.

I want to avoid using VIAs between the balls in my design with the UFBGA 100 package as it increases the cost considerably and I am not comfortable with these small tolerances. This seems feasible if only the NRST pin is can be routed through PC0. Co...

0693W00000CzwX8QAJ.jpg
Jacob L by Associate II
  • 657 Views
  • 2 replies
  • 0 kudos