I need help with the issue of limited mmap physical memory mapping length. Thanks. I wrote a simple physical memory migration program to transfer a certain length of content on a physical address from...
I'm using 103VCT6 in LQFP100 package to connect SRAM:Part of the code is as follows:// Initialization:// What is the difference between RCC_AHBPeriph_FSMC and RCC_AHBPeriph_SRAM in the following state...
Ladies and gentlemen, I use a driving power supply to drive piezoelectric ceramics (piezoelectric ceramics: have electrostrictive effect, when voltage is applied to both ends, there will be a displace...
Design and make a BUCK constant voltage power supply with adjustable voltage. The schematic diagram is as follows: file:///C:/Users/lenovo/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png 2. Basic...
With the rapid development of video surveillance technology, customers' requirements for video surveillance products are also constantly improving, with more complete and stable functions and clearer ...
If you want to use Keil + ICDI to debug the C5 chip, you need to put this patch in the Keil installation directory and replace the file with the same name. However, the updated version of Keil will no...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
Embedded System
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