STM32 MCUs Products

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H750VBT6 BKPSRAM can't keep DATA

 /* Enable write access to Backup domain */ PWR->CR1 |= PWR_CR1_DBP; while((PWR->CR1 & PWR_CR1_DBP) == RESET) { } /*Enable BKPRAM clock*/ __HAL_RCC_BKPRAM_CLK_ENABLE();   *(__IO uint32_t*)(0x38800000+36) = 12345678;run to here, DATA 12345678 is writt...

ZYubi by Associate III
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DMA Overhead (ADC to RAM)

STM32F446 in my case...When the ADC finishes a conversion and the DMA controller deposits the converter data into memory, what is the overhead ? i.e. How long does it take ? Is this shown in the documentation anywhere ?I would assume that as soon as ...

STM32L4S5 enabling internal pulldown

Hi,We are using PF3 for one of our output function and we need to pull that pin down internally. So we are configuring that pin as output enabling clock etc and using LL driver "LL_GPIO_SetPinPull" function with port and pin with argument "LL_GPIO_PU...

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RTT by Associate
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USART Interrupt STM32F103ZET6

Hello all.I am new working with the SMT32 microcontrollers and I need your help.The project deals with 3 communication channels USART to 19200bds (usart1, usart2 and usart3)The microcontroller used is the STM32F103ZET6 and would be connected to 3 dif...

DGonc by Associate II
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ST-Link debugging problem / ST-Link Utility problem

Posted on February 26, 2018 at 18:10 Hi, I was doing my thing, writting and debugging code with System Workbench and after a while ST-Link refused to work anymore, out of the blue. I had not changed SWD pins nor related settings. It just stopped ...

Resolved! stm32f103 14mhz adc clock and prescalers only allow 12mhz?

hi i'm reviewing rm0008 ref manual for stm32f103 the adc.accordingly, adc clock max is 14mhz and it takes 14 adc clock cycles for 1 conversion - hence 1msps per ADC.however, from the RCC section the available prescalers are 2, 4, 6, 8and if we take 7...

andrewg by Associate III
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