Question 1: How does MOV affect CPSR? Question 2: To verify a conjecture that BX uses the last bit to mark the state switch. The program code is as follows: AREA EX,CODE,READONLY ENTRY MAIN ADR RO,THU...
An embedded operating system is needed in the project. Considering free and open source, I first thought of freeRTOS. I just used it before and didn't care about the porting. Today I spent some time p...
Abstract: Three-level rectifiers have attracted more and more attention due to their unique advantages. The working principle of three-level bridge rectifiers is introduced, and its control system is ...
I just came into contact with and learned 51. I saw that some timer initial value settings are TH0=(65536-50000)/256; TL0=(65536-50000)%256; some are TH0=0FCH TL0=66H. What is the difference between t...
1. How to write 44b0 FIQ interrupt? 2. Why is there still an interrupt vector after 0x1c in my interrupt vector table? How does this work? b InitialReg b Error_ISR b Error_ISR b Error_ISR b Error_ISR ...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
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]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
We software engineers love to find the perfect solution to any problem we encounter. But oddly enough, we find that in this particular area, there is no perfect solution. Clever tricks may save som...[Details]
In recent years, the rapid development of high-performance digital signal processing chip DSP (Digital Signal Process) technology has made it possible to realize real-time speech recognition. Amo...[Details]
VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
0 Introduction
For a long time, rats have caused great trouble to family life and agricultural production. However, existing mechanical methods, chemical methods and biological control methods all h...[Details]
1 Introduction
With the development of transmission systems in recent years, multi-motor transmission systems have been widely used in various fields. In order to improve the dynamic performan...[Details]
The power consumption of digital cameras is a big problem. Even if you have enough batteries, it will cause a lot of trouble because you have to replace the batteries frequently, not to mention the...[Details]
The Paris Independent Transport Company is responsible for the operation of the Paris regional rapid rail network and the Paris Metro. As one of the busiest public transport networks in the world, it ...[Details]
Abstract: According to the requirements of pulse carburizing power supply, an IGBT strong drive circuit with high reliability, no signal transmission delay, strong driving ability and other charact...[Details]
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