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

STM32F4 SPI Busy Issue

Posted on March 11, 2016 at 17:20I'm using SPI in bidirectional 8 bit master mode to send 4 bytes to/from my control panel using HAL_SPI_TransmitReceive_IT(). When using SPI_BAUDRATEPRESCALER_256 it works fine, but smaller values cause the module to...

elmood by Associate III
  • 369 Views
  • 0 replies
  • 0 kudos

Reading ADC after exactly 1.56 us

Posted on January 09, 2014 at 13:20The original post was too long to process during our migration. Please click on the attachment to read the original post.

sanjib by Associate III
  • 2956 Views
  • 21 replies
  • 0 kudos

stm32f100 pwm duty cycle

Posted on March 10, 2016 at 19:21I would like use the stm32f100 for buck loop control. In first, I reach to configure the timer and gpio to get a fixe PWM. But I don't know, for the moment, adjust or modify the duty cycle with a command. Before I u...

Troubles with priorities

Posted on March 09, 2016 at 17:25Hi there, can anyone help me with this??Im working with STM32f407.The programm consists in switch on/off lights and change its intensity using dimmer.A 50Hz wave is connected to a zero cross detector, and its output ...

miguel2 by Associate II
  • 1382 Views
  • 5 replies
  • 0 kudos

STM32L4 SPI DMA FIFO not writing into or corrupting memory

Posted on March 10, 2016 at 14:44Hi, I just wanted to connect a STM32 to a GPS using a SPI with DMA. Here is my setting : la : LOGICPORT LA1034 board : NUCLEO-L476RG mcu : STM32L476RGT6 gps : EVA-7M cube : 4.13.0 lib : HAL 1.3.0 clock : 80 MHz spi :...

Noyb by Associate II
  • 1043 Views
  • 6 replies
  • 0 kudos

stm32 discovery external supply problem

Posted on May 16, 2013 at 13:51I would like to program my stm32 discovery board via st-link, to do this i am trying to power my board externally by using 5V pin. However, when i powered the board, ld1 com turns red, but it blinks. In this case, the ...

asecen89 by Associate II
  • 1700 Views
  • 10 replies
  • 0 kudos

Why is PWM resolution twice shorter?

Posted on March 11, 2016 at 09:06 Hello there, I am trying to configure TIM1 and TIM8 for complementary PWM signals generation (in center aligned mode). It works, but for some reason my maxixmum PWM resolution is not 0xFFFF but 0x3FFF... I a...