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1. The instruction format of the left shift of register f with carry bit (C) is: RLF f. d Where d=1, result → f; d→0, result → w. The function is shown in the figure below. 2. Shift right the con...[Details]
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Today we are going to learn a lesson about the working principle of power supply. Because it is a knowledge popularization class for novices, I will try to make this class popular, simple and easy ...[Details]
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The most typical application of signal integrity analysis is the design of high-speed backplanes. The testing and analysis of high-speed backplanes need to be carried out from two aspects: passive te...[Details]
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STM8S has 9 reset sources: NRST pin generates external reset Power-On Reset (POR) Brown-out Reset (BOR) Independent watchdog reset Window watchdog reset Software reset SWIM Reset Ill...[Details]
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1 Introduction
LED (light emitting diode) display screen is composed of light emitting diode array. Light emitting diode (LED) is a current control device with the advantages of high brightnes...[Details]
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Ever since Sony Ericsson released its first Android smartphone XPERIA X10 in November last year, the launch time of this phone has become a hot topic. The most accurate information at present is th...[Details]
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ORG 00H
START:
MOV SCON,#50H //Serial port mode 1, allow to receive
MOV TMOD,#20H
MOV TH1, #0F3H //Baud ra...[Details]
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If the underwater data acquisition system with battery as power source is to work for a long time, it must be equipped with a large number of batteries as power source. If the power consumption of the...[Details]
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According to a recent announcement by InterDigital, a US patent operating company, on December 20 and December 22, the company has filed patent infringement lawsuits against OPPO, OnePlus and Realme ...[Details]
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在一般开关电源的设计方案中,开关损耗和器件的导通损耗(特别是整流器件的导通损耗)是困扰开关电源设计者的一大难题。当效率达到一定程度后,再进一步提高效率深感困难,甚至无从下手。尽管采用了有源箝位、移相零电压开关、同步整流器等先进的,使电源效率得到一些提高,但是所付出的代价也是很大的。能在用常规的电路拓扑基础上加以改进,得到所希望的高效率,是当今电源设计的热点和最经济的方案。为实现这一目标通常的...[Details]
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The working principle of biometrics is to use biometric devices to sample biological features, extract their unique features and convert them into digital codes, and further form these codes into f...[Details]
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Life is not easy for everyone, even companies as strong as CATL have seen their stock prices plummet due to a significant slowdown in performance growth. Looking at the past year, CATL's market val...[Details]
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In many traditional industries, multi-channel high-precision temperature acquisition systems are indispensable. Power plants, petrochemical industries, steel plants, pharmaceutical factories and othe...[Details]
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Switched Capacitor Filters
1. Basic Principle of Switched Capacitor Filter
The switched capacitor filter is composed of MOS capacitors, switches and operational amplifiers. It has a simp...[Details]
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MAX9918, MAX9919, MAX9920 High-Side Current-Sense Amplifiers with Wide Common-Mode Range Ideal for Automotive Applications
Maxim's new automotive CSAs feature a -20V to +75V input common-mode range...[Details]