At 23:00 on June 26, Beijing time (17:00 local time in Germany), the fifth match of the World Cup quarter-finals kicked off at the Frei Walter Stadium in Kaiserslautern. The game ended in a goalless d...
once Upon a time,
In the memory of most electronic engineers,
Everyone has a chip purchasing experience that is too painful to recall.
In order to find a chip,
Sleepless and restless,
Conduct dozens o...
Three-phase motor topologies have finally reached a tipping point in the world of electric motor drives. With decreasing costs and increasing potential efficiencies, integrated three-phase motor appli...
In 2018, the IEEE802.3bt standard was finally approved. The newly approved IEEE 802.3bt standard brings Power over Ethernet (PoE) technology into a new era in response to the rapidly growing market de...
1 Hardware Design of Shortwave Dynamic Spectrum Access System The hardware components of the shortwave dynamic spectrum access system mainly include: TMS320VC5502 digital signal processor, audio sign...[Details]
1. Why use DMA: To improve CPU efficiency and avoid unnecessary waiting time
2. About DMA controller:
(1) Number of channels: 2440 has 4 channels, 6410 has 4 DMA controllers (select...[Details]
Not long ago, OPPO's patent for a pop-up front camera with a polarized refractive prism was exposed, which aroused heated discussion among many netizens. While netizens were still discussing th...[Details]
1. Hardware: 1. Clock Tree: The system clock of 2440 is set by MPLL and UPLL. MPLL is used to set FCLK, HCLK, PLCK. UPLL is mainly used for USB. FCLK is used for the CPU core, HCLK is used for ...[Details]
Compile:
Translate===Compile a single file
Build====Compile the current project. If the project has been compiled once before and the file has not been edited, it will not be recomp...[Details]
"At present, the comprehensive cost of lithium iron phosphate batteries has risen by about 50% compared with last year, while the cost of ternary batteries has increased less during the same period. ...[Details]
The previous article is about ARM Linux kernel booting (1).
Continuing from the previous article, look at the following source code:
/*
* Setup the initial page tables. We only setup the barest ...[Details]
iOS系统以封闭著称，但2017年创办的安全公司Corellium却达成创举，可以在台式PC上仿真虚拟这套操作系统。 In 2018, Apple tried to acquire Corellium, but the deal failed, and the former sued for copyright infringement. However, a court rul...[Details]
Today, Honor Mobile officially announced that Honor 20 Pro is now available for purchase. Although the Honor 20 Pro sales exceeded 100 million in 3 seconds after it went on sale, and won the 3,000 yu...[Details]
I have been studying microcontrollers for so long, and I feel that if I want to go deeper, I have to read assembly language, or at least understand the internal structure of the microcontroller. Belo...[Details]
Electricity data is everywhere. The simple action of charging a mobile phone will generate data such as power consumption and charging time. Analyzing this data can accurately "profile" people's el...[Details]
MCS-51 single-chip microcomputer, a simple assembly language program, calculates the function value of a piecewise function. It is known that there is a variable X in the 25H unit. It is required to ...[Details]
Analysis of the walking uniformity of five-phase hybrid stepping motor
This paper analyzes the step uniformity of the five-phase hybrid stepping motor when it is driven by constant cur...[Details]
Enthusiast Network reported (by Wu Zipeng) In recent times, humanoid robots have become a hot topic in the industry. Xu Xiaolan, former vice minister of the Ministry of Industry and Information Tec...[Details]
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