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8051 internal ROM ROM: Read Only Memory is generally used to store data that does not change frequently, such as programs and tables. Common ROM types: Masked ROM (Masked ROM) EPROM (Electrically ...[Details]
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Mr. Yang from Xingtai, Hebei said that after he returned home for the Spring Festival, he found that his 9-year-old daughter had used his ID card to complete real-name authentication in the "LeLe Fis...[Details]
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Most LED power supply circuits are composed of a switching power supply circuit + a feedback circuit. The feedback circuit samples the load and adjusts the duty cycle or frequency of the switching ...[Details]
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Due to the continuous development of embedded system application technology, the requirements for core processor performance are getting higher and higher. Some traditional 51 series control chips ar...[Details]
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Special function register SFR declaration If we want to use the IO port of the microcontroller, we must first define its address. We can find the address corresponding to the IO port from the chip da...[Details]
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According to foreign media reports, Pioneer and its subsidiary Pioneer Smart Sensing Innovations (PSSI) have developed a mass production model of a 3D lidar sensor. The sensor has a more compact stru...[Details]
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Oil is the main resource of modern industry and plays a pivotal role in the global economy. my country's oil resources are relatively scarce, and its dependence on foreign resources in the energy fie...[Details]
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Voice quality in mobile handsets, wireless networks, hands-free devices and other mobile communication systems is a key factor in establishing consumer preference. Echo and noise are inherent to w...[Details]
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Infineon Technologies AG combines its proven expertise in the automotive field with its patented glass-silicon-glass MEMS silicon sensor for the automotive tire pressure monitoring system (TPMS) mar...[Details]
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1. Before testing, the value of the resistance to be measured should be measured as accurately as possible. This is an important measure to protect the galvanometer.
2. According to the initial measu...[Details]
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INTRINS.H: Intrinsic functions
Function name: _crol_, _irol_, _lrol_
Prototype: unsigned char _crol_(unsigned char val,unsigned char n);
unsigned int _irol_(unsigned int val,unsigned char n);
unsi...[Details]
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There are two main types of power supplies: linear power supplies and switching power supplies. The working principle of a linear power supply is to first convert 127 V or 220 V mains electricity int...[Details]
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In the past two years, the automotive industry seems to have fallen into a "vicious circle" of LiDAR. Both automotive giants and new car manufacturers have launched cars equipped with LiDAR. At the c...[Details]
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LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces a gua...[Details]
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1 Introduction
In the 1980s, due to the application of personal computers, the PC-based card instrument (PCCI for short), also known as personal instrument (PCI) or PC instrument (PCI), appear...[Details]
DSP and ARM Processors
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