I use 149 serial port, use MAX3222 chip to drive RS232 to connect with computer, use timer to send serial port data regularly, the sending is normal, but the receiving interrupt cannot come in.May I a...
When running the routine in 430, I can enter the interrupt under SIMULATOR. After connecting the board, the program can be downloaded and run, but it cannot enter the interrupt. Is there any setting r...
Dear Sir, I have collected some information about CATL and sent it to you so that you can have a deeper understanding of the company. Please see the attachment. The work location is Shanghai Caohejing...
I want to use absolute addresses in C51 like assembly, but I don't know how to define and use them? Assembly: ORG 4000H DB: ． ． ． ． ． ． ； DB: ． ． ． ． ． ． ； I don't know how to apply this?...
[align=left][font=Helvetica Neue, Helvetica, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif][color=#3e3e3e]Now it seems that more and more companies have received lawyers' letters from AD compan...
The best thing about being an applications engineer is the wide range of customers, applications, circuits, and problems I encounter, all of which provide me with the opportunity to learn something ne...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[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]
The 8051 microcontroller is the most common microcontroller we have. I have been using 8051 for a long time and have also taught microcontroller courses for a period of time. Here I would like to s...[Details]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
Microcontroller MCU
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