STM32 MCUs Products

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spi

Hi,I have problem with SPI data transfer on stm32h743VIH. Spi is used with external ADC. ADC data ready voltage level seems OK ~1,8 V (Vdd) but the MISO line shows only about half of this ~0,9 V. This seems to be too low for data transfer. MISO line...

teijo by Associate II
  • 1419 Views
  • 4 replies
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writing serial data out for a nucleo f031K6

I recently bought a nucleo board for a project im making. I have in the past used 8 bit AVR chips but I want to step up to STM32. My project is some switches, leds, a DAC and an ADC. One thing that is common to all these elements is a serial data out...

deep_rune by Associate III
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  • 2 replies
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stm32F7 LL_drivers acknowledge interrupts

I combined 2 examples. USART3 I/O and SYSTICKS timer.When I receive a USART interrupt the Systicks stops working. There is a endless loop of interrupt calls of USART3. So I assume I didn't acknowledge the interrupt correctly. Only can't also find it...

Evan .1 by Associate II
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  • 3 replies
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What is the maximum value of LPUART baudrate ?

Hi, I am using STM32L071 which has Low Power UART (LPUART) Communication. I want to try LPUART at the maximum baudrate, but what is the maximum value of LPUART baudrate ? is it the same as UART in generally ? based on datasheet, the maximum baudrate ...

Mahendra by Associate II
  • 644 Views
  • 1 replies
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Resolved! Debug problems using Optimization settings.

Hi everyone,I'm developing a new one project using STM32L031K6T MCU.It's mandatory to use a simple low cost device for massive production.Now flash memory is almost totally consumed.I'm tring to use compiling optimisations to reduce program dimension...

stm32f429 rcc pllcfgr pllsrc bit will not set

I am trying to set RCC->PLLCFGR |= PLLSRC after setting RCC->CR |= HSEON and waiting for HSERDY to be presented.I have tried this while with and without RCC->CR PLLON set.The device will run fine from either HSI or HSE, and I verified the speed is th...

JKell.1 by Associate
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  • 3 replies
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