I am using W77E58, and I have two 32K RAMs externally expanded. I use P3.4 as the chip select for both RAMs, but now I can only access one RAM. How can I access the other RAM?...
Now there are many businesses that make ARM development boards, they just make money by selling development boards. How much can they ship? Can they make target boards (that can be used on devices) fo...
It seems to be the same package as shown in the picture. I don't know what it is called. How do I solder the AGND in the middle? How do I solder it by hand?...
Generally, the product manual of transistor manufacturers will have the maximum power dissipation Pcm of the transistor. When the transistor is working in a specific circuit, how can I determine its a...
They all use RMS-DC chips such as AD637. If the waveform is just a single sine wave, can this chip be omitted? Full-wave rectification and filtering can be used to output DC. The main reason is that A...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
The latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
Plasma processing in the semiconductor industry is a challenging environment for fluororubber vacuum seals. The ability to seal under high temperature and plasma conditions is critical to maximizin...[Details]
For electronic products, especially consumer products, the ultimate challenge of user interface design is how to transform complex user control actions into an intuitive, convenient and productive ...[Details]
Current-pressure sensors (often called I/P) are often used in situations where electrical signals are used to control pneumatic valves. These sensors, which can convert standard electrical signals int...[Details]
DigRF is poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices: analog signaling, and proprietary digital signaling (parallel or serial) for...[Details]
Recently, Infineon Technologies AG launched the world's first monolithic linear regulator with integrated diagnostics and protection functions for in-vehicle radio systems, further expanding its pr...[Details]
0 Introduction
As a large-capacity, high-speed, low-price, and low-power storage device, SDRAM has high application value in embedded real-time image processing systems. However, its contr...[Details]