I want to use an 8155 to expand the IO port, so that port A can be used as a bidirectional IO port, and ports B and C can only output. It works in the simplest mode. I don't know how to initialize it....
Keil and chip package1. Where can I add the firmware library and lib respectively? For example, if I want to add a .c file2. Different chips have different chip packages. How can I identify whether th...
For a system operating at 50 Ω , the impedance of a quarter wave length dipole antenna is approximately 37 Ω . Therefore, to obtain a 50 Ω antenna , the antenna length can be obtained according to the...
[size=4][color=#252525] Traditional differentiators use Rs-Cs in series at the input, and Rf-Cf in parallel near the op amp. But there is no "one size fits all" solution, so this solution is very anno...
[align=left][color=#000][font=Arial]Company name: VisualThreat Internet of Vehicles Information Security Company[/font][/color][/align][align=left][color=#000][font=Arial]VisualThreat is the earliest ...
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
With the rapid development of computer technology, embedded image systems are widely used in office equipment, manufacturing and process design, medical, monitoring, sanitary equipment, transportat...[Details]
Over the past 15 to 20 years, automotive power MOSFETs have evolved from an initial technical topic to a thriving commercial sector. Power MOSFETs were chosen because they can withstand transient ...[Details]
In view of the problems in the actual FPGA development process, such as difficulty in locating faults, long compilation time after repeated code modification, and inability to confirm fault solutio...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
At present, the IEEE802.11 wireless LAN standard is widely used in voice communication, wireless office and other fields, but it is still mainly limited to wireless communication on general platfor...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Some application designs have higher requirements on the speed at which the system's switching power supply can provide voltage output. Figure
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1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
Lifting wavelet transform not only has the advantages of traditional wavelet multi-resolution, but also simplifies the operation and is easy to implement in hardware. Therefore, it is widely used in d...[Details]
With the rapid development of the automobile industry, the requirements for automobile control, communication and networking are becoming more and more complex. The new generation of electronic co...[Details]
1. Intrusion Detection System (IDS)
IDS is the abbreviation of "Intrusion Detection Systems" in English, which means "Intrusion Detection System" in Chinese. Professionally speaking, it monito...[Details]
China National Stadium Project Introduction
The National Stadium (Bird's Nest), the main venue for the opening and closing ceremonies of the 2008 Beijing Olympic Games, is located on the g...[Details]