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This writing method is to nest assembly in C. The exact delay time = 2*t*T+5*T, T is one machine cycle. For 8051,
If t=1, then the execution time of this function should be 7us. If it is STC12...[Details]
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1 Introduction
With the development of information technology, inverter power supplies are increasingly widely used in the fields of communications, military, aviation, aerospace, etc. Traditio...[Details]
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Before deciding which oscilloscope to buy, in addition to understanding the brand and model, it is very necessary to clearly understand its detailed indicators and applications. As the current hot-se...[Details]
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1. Pins and ports: 1. Pins are the pins connected to the outside of the chip. A chip has at least VCC and GND pins. 51 single-chip microcomputers also have IO pins, serial port pins, etc. Pins are ...[Details]
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1. Implementing functions Perform A/D conversion in interrupt mode with 10-bit accuracy and send to P3 and P2 port LED lights for display (low level drive). P3 port displays the highest 2 bits and ...[Details]
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#include "reg51.h" #include "intrins.h" #define uint unsigned int #define uchar unsigned char #define long unsigned long typedef uchar BYTE; typedef uint WORD; sfr P1M1 = 0x91; //PxM1.n,PxM0.n...[Details]
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The PGA package has multiple layers of square pins around the chip, and each square pin is arranged at a certain distance along the four sides of the chip. Its pins look like needles, and are ...[Details]
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DS1620 is a member of the temperature sensor family of DALLAS Semiconductor Company and is a new type of digital temperature sensor. It has a wide temperature measurement range (-55℃~+125℃), a...[Details]
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It was learned on November 2 that Tencent Cloud Object Storage COS recently passed the Commvault backup software standardization test and obtained official certification. At the same time, Commvaul...[Details]
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At 21:00 on January 14, 2023, after the operator closed the 211 switch of the 220kV Huanan Line of the Shanghai Huabinneng Power Station and performed a series of switching operations, the phot...[Details]
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Recently, the International
Federation of
Robotics
(IFR) released the "World Robotics 2022 -
Service Robots
" report, summarizing the development of global service robots in the past...[Details]
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Frequency converters are widely used in the machinery industry. They can control the speed and direction of the motor. Frequency converters can use internal speed regulators or external potentiomet...[Details]
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Photovoltaic cells are made using the photovoltaic effect of semiconductor materials. The so-called photovoltaic effect refers to the phenomenon that semiconductor materials absorb light energy, pho...[Details]
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In the early morning of July 17, the Shuanghuai new energy storage power station in Hechuan District, Chongqing City was successfully powered on. After the project is put into operation, it will impro...[Details]
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Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It has the characteristics of flexible programming, powerful functions, high re...[Details]