STM32 functional pin remapping and multiplexing functions-EEWORLD

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STM32: How to use JLINK ULINK JTAG to view the execution time of a certain instruction in KEIL /MDK

method one: In order to ensure that the correct program running time is read in MDK, the trace items of the emulator must be set. Take ULink2 as an example: (1) In the project's "Option for Target..." target option interface, select the "Debug" tab to enter the debug settings interface, select "Cortex-M3-ULIK2" a

[Microcontroller]

STM32: How to use JLINK ULINK JTAG to view the execution time of a certain instruction in KEIL /MDK

STM32 receives serial port data and outputs PWM

#include #include "sys.h" #include "usart.h" #include "delay.h" #include "led.h" #include "key.h" #include "exti.h" #include "wdg.h" #include "timer.h" #include "string.h" //Mini STM32 development board example code 8 //PWM output experiment //Atom on point @ALIENTEK //Technical forum: www.openedv.com //#def

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Analysis process of the first byte loss problem of STM32 serial port

STM32 serial port transmission must first detect the status, otherwise the first byte cannot be sent. After the transmission is completed, it is necessary to detect whether the transmission status is completed, otherwise, the transmission is unsuccessful. When using stm32f10x to debug serial communication, an error phe

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STM32 port clock

1. RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //Enable GPIOC clock Why do some CortexM3 peripherals need to configure the RCC clock before configuration? Because CortexM3 is clock-driven, all peripherals are assigned to different bus bridges, and the bus provides the working clock. When the clock of a p

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STM32 GPIO floating input routine

[Microcontroller]

Differences between STM32 advanced timers, general timers, and basic timers

What are the differences between advanced timers TIM1 and TIM8, general timers (TIM2, TIM3, TIM4, TIM5), and basic timers (TIM6 and TIM7)? I think generally speaking there shouldn't be much difference. It seems that the advanced timer has the functions required for three-phase motor control. I'd like to as

[Microcontroller]

STM32 learning general timer interrupt

STM32 timer learning Advanced registers TIM1 and TIM8 General registers TIM2, TIM3, TIM4, TIM5 Basic registers TIM6, TIM7 General registers are composed of clock, time base unit, input and output. The counter clock can be provided by the following clock sources: Internal clock (CK_INT) External clock mod

[Microcontroller]

STM32 RTC (Real Time Clock) 32.768kHz Crystal Oscillator Start-up Guide

It is an industry consensus that the STM32 RTC crystal oscillator often fails to oscillate. Many people ask for help on various electronic forums with questions like "Ask an expert for advice! What should I do if the RTC crystal oscillator does not oscillate?", and the answer can basically be summarized as "The expert

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