What is the voltage between the two pins when the crystal oscillator starts oscillating? What will happen if the microcontroller does not oscillate? What are the reasons for the failure to oscillate?...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:40[/i] [size=10.5pt][font=宋体]This system design uses the single-chip microcomputer AT89S52 as the controller, with microprocessor application...
[i=s]This post was last edited by wangerxian on 2021-11-17 14:50[/i]1. Partial discharge phenomenon
The partial discharge (PD) phenomenon usually refers to the discharge that occurs locally in the ins...
[i=s]This post was last edited by nemon on 2022-6-5 20:40[/i]As the saying goes, "Spring makes you sleepy, autumn makes you tired, summer makes you nap, and winter makes you sleepy in March." So, when...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[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 (paralle...[Details]
I. Introduction
The use of electronics in cars dates back to the early 20th century when electric starters replaced hand cranks. Automotive electronics became popular in the 1960s with the...[Details]