24E1150A

Exceptions and interrupts An exception is when some abnormal situation occurs during the program running (USER mode), and an interrupt is a kind of abnormal situation. Correspondence between patter...[Details]

Platform: iTOP-4412 development board Implementation: Relay module test routine   Relay's C test program, C test program can be used on Android system, Qt system and minimal It runs on the linux syst...[Details]

1 Support NAND Flash     1. First add CFG_CMD_NAND to the macro CONFIG_COMMANDS in the configuration file include/config/fl2440.h. #define CONFIG_COMMANDS    (CONFIG_CMD_DFL  |    CFG_CMD_CACHE  |   ...[Details]

In the following program, the microcontroller reads the data in the FIFO and sends it out from the serial port. ;************************************     ef bit p3.3 ;fifo empty flag     rst bit p3...[Details]

Preface Students who have been exposed to microcontroller development may be familiar with the use of timers and counters, but what exactly are timers and counters? I have linked all the analog and...[Details]

This article mainly analyzes SPI1 because SPI1 is somewhat special on the clock line APB2. 1. To analyze the SPI communication rate, we must first check the STM32F103 datasheet and the commonly used ...[Details]

　　introduction 　　LED lighting has entered the home users. Compared with traditional lighting equipment (such as incandescent lamps and fluorescent lamps), it has the advantages of high purity of ligh...[Details]

This paper designs a lighting control system for smart home applications 　　by combining remote control technology and single-chip microcomputers . The system is a control system based on single-chi...[Details]

Semiconductor lasers (LDs) are small in size, light in weight, have high conversion efficiency, save power, and can be directly modulated. Based on its various advantages, it has been increasingly wi...[Details]

Since Cortex-M3  supports bit operations, you can use ordinary load/store instructions to read and write single bits. 　　Among the bit-banding supported by CM3   , bit-banding is implemented in two re...[Details]

The Stm8L series microcontroller has five low power modes: § Wait mode § Lowpower run mode § Lowpower wait mode § Active-halt with full RTC mode § Halt mode The lowest power consumption is the halt...[Details]

             I spent a whole day today to solve the problem that the insight port cannot be modified. Although it was solved, it also cost a lot. It took a whole day + destroyed the previous system. S...[Details]

　　RS-485 bus remote measurement and control system has been widely used, mainly because RS-485 bus has the characteristics of long transmission distance. When the transmission rate is 9600bit/s, the t...[Details]

The development of ultra-large-scale integrated circuit technology has promoted the birth of single-chip microcomputers, which have the characteristics of strong functions, high cost performance, high...[Details]

　　1 Introduction 　　Radio Frequency Identification (RFID) is a rapidly developing automatic identification technology with many advantages: convenient and fast data reading, fast identification spee...[Details]