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i have written a led blinking program with as per my knowledge but i couldn't reach output so guys who can clear that? MCU- STM32f401 clock input -25MHz External clock output -80 MHz with pll configuration

#include "stm32f4xx.h"#define PLLM 25#define PLLN 320#define PLLP 1//divide 4void SysConfigure(){      RCC->CR|=RCC_CR_HSEON;//External Crystal Oscillator      while(!(RCC->CR & RCC_CR_HSERDY));// External Crystal oscillator status flag checking     ...

Msams.1 by Associate II
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  • 7 replies
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Modbus over RS485 with STM32F303K8

I'm looking to make a loop of MCUs as slaves to a PC master so that I can send commands to them. The idea is to use the https://www.maximintegrated.com/en/products/interface/transceivers/MAX22025.html and https://www.ftdichip.com/Support/Documents/Da...

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RWedu.1 by Associate II
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  • 8 replies
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STM32L476 LPRun Mode external clock source Frequency

I'd like to you a STM32L476 continuesly in LPRun Mode with external Oscillator Frequency of 2.048MHz. But in "Reference Manual" of STM32L476 is written following: "5.3.2 Low-power run mode (LP run)To further reduce the consumption when the system is ...

MGehr.3 by Associate II
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Abnormal delta of TSC after exiting STOP mode

Hi,MCU: STM32L072MCU is using TSC and ST touch sense library. Before entering stop mode, the delta of touch key without pressing is normal (-2 to 2). However, after exiting STOP mode and then calling tsl_user_Exec_IT(), there is strange value delta.B...

STM32H743IIT6

Left side original label from MFG but there is a misspelling on the temperature.Right side label from Mouser with the correct spelling.Please advise whether it is a common error on the misspelling issue.

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ENeoh.1 by Associate II
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  • 1 replies
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QUAD SPI MT25QL128A with stm32H750Ibt6 controller.

Hello all,Currently i'm working over STM32H750IBT6 Controller with QUAD SPI MT25QL128A External flash. The objective is to boot from internal flash address which is 0x08000000 and jump to external flash address, as the internal flash memory is quite ...

Mani.V by Associate II
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Iam using STM32L412 nucleo board. To achieve low power consumption Iam using standBy mode and RTC Wakeup. On wakeup I found that the data is not retained .

Iam using STM32CUBEIDE for setting up the project. While refereing I have found some articles stating that standby mode default sram contents are lost and we need to use the backup mechanism also I found a reference like (http://5.9.10.113/62624874/s...

AChan.9 by Associate II
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  • 7 replies
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