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Smart meter systems have been widely used in the fields of industry and life. Automatic meter reading technology is used in the meter to read data through the communication port, and in most cases,...[Details]
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1. Introduction
Traditional data acquisition systems usually use MCU or DSP as the control module to control A/D, memory and other peripheral circuits. This method is simple to program and flex...[Details]
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The output impedance of the signal generator varies according to the type. Generally, there are 50Ω low-impedance output and high-impedance output (with a large resistance value), etc. However, the l...[Details]
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ARM 's RAM includes static RAM, dynamic RAM, and TCM---tightly coupled memory (TCM: Tightly Coupled Memories).
TCM is a fixed size RAM, tightly coupled to the processor core, providing performance c...[Details]
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In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, caus...[Details]
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ANLA, Rn; The value in A and Rn is bitwise ANDed, and the result is sent to A ANLA,direct; A and the value in direct are bitwise ANDed, and the result is sent to A ANLA,@Ri; A is bitwise ANDed wi...[Details]
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0 Introduction
In automatic control systems, it is often necessary to collect some field signals into the single-chip microcomputer. The collected signals may be either digital signals or analog sig...[Details]
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On August 27-28, the 2020 Jiwei Semiconductor Summit was held in Haicang, Xiamen. The theme of this summit is "Exploring the New Logic of the Iterative Era", aiming to explore the new business logic ...[Details]
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1. Facing DWDM Testing Challenges Dense Wavelength Division Multiplexing (DWDM) has emerged as a key global solution for telecom service providers. This technology provides scalable bandwidth, overco...[Details]
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When the motor is running, the magnetic field distribution in its internal structure is both complex and clear.
First, let's look at and analyze the magnetic field profile generated by one pol...[Details]
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CINNO Research Industry News, LG Display (hereinafter referred to as LGD) achieved counter-cyclical growth in the fourth quarter of last year under the epidemic environment. By actively responding to...[Details]
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How to use the resistance method to test the forward and reverse control circuit
The forward and reverse control circuit of the motor is complicated because of its many functions. ...[Details]
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#include reg52.h
#define uchar unsigned char
#define uint unsigned int
sbit sda=P1^0; //ds1302 data line
sbit clk=P1^1; //ds1302 clock line
sbit rst=P1^2...[Details]
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1. Memory format (word alignment): The Arm architecture treats memory as a linear combination of bytes starting from address zero. The first stored word (32-bit) data is placed from byte zero to byte...[Details]
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Solid-state batteries
As a next-generation technology that is expected to improve the intrinsic safety and energy density of batteries, they have been included in the national development str...[Details]