STM32 MCUs Products

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Resolved! question about VDD pin

I'm a beginner and I don't understand the datasheet very well. Can I externally power my STM32 F446RE from the VDD pin (the one opposite E5V in the pinout)?Sorry for the banality, but I only found info for generic GPIOs.Dar

DAR20_01 by Associate II
  • 628 Views
  • 6 replies
  • 3 kudos

Resolved! STM32H7A3 stuck in SystemClock_Config in KEIL

I have a problem with an STM32H7A3 which remains stuck in SystemClock_Config. I use Keil. Any ideas please? it just remain stucked here: if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_Os...

laurianus by Associate III
  • 1850 Views
  • 13 replies
  • 2 kudos

Resolved! LCD display with LTDC for STM32H7

I'm trying to learn how to use the LCD display on the STM32H745I-DISCO board.(I'm a beginner at coding, so please go easy on me!) Right now, I'm just trying to display basic text on the screen, but nothing shows up, it's either all white or all black...

Reducing interrupt latency on STM32U575

I'm trying to implement a serial bit-stream input (PCM-style) on an STM32U575. I have set up an EXTI channel to capture the incoming clock signal and then I'm using the following code in the ISR to capture the data bits:__attribute__ ((section(".RamF...

Resolved! STM32H7 SPI 32BIT CRC Confusion

Hello, I am having an issue implementing a 32 bit CRC 0x04CDB117I am quite confused by the documentation on how to set the a 32 bit CRCI don't understand section 53.5.3 on the most significant bit in in CRCPOLY must be larger than the data size.I don...

kip18 by Associate III
  • 568 Views
  • 5 replies
  • 1 kudos

STM32L071 draw more current than expected

Hello,  I'm using a STM32L071KZT6 on a custom PCB and it was working fine, until after some programming iterations, it suddendly started drawing more current than expected. It reached 220mA to power with 3.3V. This happened twice, in two different mc...

FranDias by Associate
  • 236 Views
  • 1 replies
  • 0 kudos