STM32 MCUs Products

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Resolved! problem with debug

hello everyoneI'm having problem with debugging stm32f103 blue pill with Keil 5.39 ans st-link v2 programmer.my programmer work fine when i load code without debug on micro but when i want to go to debug mode, my code run till the line__HAL_AFIO_REMA...

EBrz by Associate
  • 607 Views
  • 3 replies
  • 0 kudos

Resolved! ADC Measurements of VDD

Dear Community, I started investigating issues on one old project that based on STML071xB and has been implemented by another engineer. I got confused with implementation of battery measurements. Here is the thing: 1. MCU is directly supplied by a ba...

ramil by Associate II
  • 1310 Views
  • 6 replies
  • 1 kudos

Resolved! SPI communication - interval between bytes

Question about SPI communication intervalWe are using HAL_SPI_TransmitReceive to achieve SPI communication, but there is an interval of some us after the SCLK outputs for 8 bits. Is it possible to change this interval time?

VREF STM32G474QE

For the STM32G474QE i read that the VREF is either 2.048V 2.5V or 2.9V.is this the maximum voltage the ADC can read in single ended and in differential mode? so if i have a signal that is max 2.9V and min 0V. Will this work? or is the VREF the middle...

Erwin_N by Associate II
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  • 5 replies
  • 1 kudos

CPU hangs when read ADC DMA continuous mode

Dear all ! I in my project have 1 led was blink to know CPU still working, display TFT LCD ST7735. At the first time, led blinking as timer 3 interrupt, LCD can display all information. after i add ADC with DMA continuous mode, CPU hang, led didn't b...

"Three phase" PWM for an LED "matrix"

Hi.I have a project that involves using an STM32U535 to control the LEDs shown in the picture.I feel it should be possible to control the COL-x signals with synchronized timers that also trigger DMA transfers to control the ROW-y signals, but I can't...

LEDmatrix.jpg