STM32 MCUs Products

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LSI frequency not stable when switching power

Hello everyone,I'm working on a project using STM32U031, and using RTC with LSI(32kHz) to calculate elapsed time, and everything working fine, the waveform of LSI output also looks great.And I need to switching power supply in sometimes, and there co...

kein_1-1731487049901.png
kein by Associate III
  • 588 Views
  • 0 replies
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STM32F07- act like a dead chip.

I have a board that used STM32F07. I connect BOOT0 pin to GND via RES 10kOhm and left NRST pin open. At first i able to connect to STM32 and upload code but problem is after first time upload code (I use debug mode). It show STM is disconnect and aft...

Esa1 by Associate II
  • 564 Views
  • 1 replies
  • 0 kudos

STM32L011F4P6 can't upload code.

I have STM32L011 board that i make. I left NRST and BOOT0 open. And i try to upload code using ST Link V2. But seem like the ST link is not recognize the STM it always show "Target no device found". Can anyone help me identify the problem? Please..Th...

Esa1 by Associate II
  • 1780 Views
  • 11 replies
  • 0 kudos

STM32H7 + FMC + MDMA transmits only the first halfword

Hello everybody,Im am currently trying to connect a STM32H753 to a AD7606B using the parallel interface (FMC) and got it working at some point where the CPU can read/write the data from/to the FMC but it needs a __DSB() before starting to use the rea...

ABouk.1 by Associate III
  • 773 Views
  • 0 replies
  • 0 kudos

Explain Output Speed STM32U575

I am working on the firmware for my STM32U575 based controller board. I cannot find in the documentation an explanation about the Low/Medium/High settings on a GPIO port. I see the bits to be set, and in MX the option for choosing the setting, but I ...

ScottD by Associate II
  • 886 Views
  • 2 replies
  • 6 kudos

Bare Metal STM32L496

void SystemClock_Config(void) { // Step 1: Enable HSI RCC->CR |= RCC_CR_HSION; // Enable HSI while (!(RCC->CR & RCC_CR_HSIRDY)); // Wait until HSI is ready // Step 2: Configure the voltage scaling PWR->CR1 |= PWR_CR1_VOS_0; // Set voltage scale to 1...

STM32L0 with HSI for UART

I have built a board that is powered using a LiC and to conserve some power i run it under 1MHz (524KHz).I need 2 UARTs and one ADC for my application. However, since there's only 1 LPUART i use second UART to connect a cheap BLE module that i can se...

MKanc.1 by Associate III
  • 941 Views
  • 3 replies
  • 1 kudos