Due to the changes in system memory, the memory allocation needs to be modified in the BSP. The CPU used is MPC8270, and the memory controller corresponds to 12 banks CS0-CS11. Now the space correspon...
SAMR21 LED and Key There is a user key and a user LED light in the SAMR21 Xplained Pro development board. The hardware connection diagram is as follows: Figure 4-1: LED&KEY circuit diagram You can see...
The 485 bus of stm32 uses interrupts to send and receive. It can send and receive, but a byte (00 or CD) is inserted in the received byte. What's going on? Can anyone give me some advice? ?...
The following ranking is in no particular order. It is just a small review of the wonderful posts in the [url=https://bbs.eeworld.com.cn/forum-28-1.html]Analog Electronics[/url] section last week. The...
How to deal with the data sent by the host computer to the ARM serial port exceeding its trigger byte? Use the query line status? Do I need to add a timer? I hope an expert can give me the code? Thank...
[font=微软雅黑][size=3][color=#0000ff]Do you have time to read some books besides work and study? Is the book you are reading a paper version or an electronic version? [/color][/size][/font] [font=微软雅黑][s...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Real-time operating system RTOS
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