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The default working frequency of S3C2440 CPU is 12MHz or 16.9344MHz. The one used on my 2440 development board is 12MHZ, and the most used one here is 12M. Using PLL circuit can generate higher ma...[Details]
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On July 29, the 2020 Trusted Cloud Conference was held online, hosted by the China Academy of Information and Communications Technology and the China Communications Standards Association, and organiz...[Details]
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First, let me explain why the microcontroller needs a crystal oscillator. What is a crystal oscillator? The full name is quartz crystal oscillator, which is a high-precision and high-stability osci...[Details]
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ARM has 37 registers, including 31 general registers and 6 status registers.
What we need to pay special attention to here is the difference between ARM's own registers and some of its periph...[Details]
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Abstract: A control system based on TMS320F241 digital signal processor (DSP) is proposed, which can realize full digital speed regulation of variable frequency air conditioners. The system make...[Details]
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According to the "Notice on Further Improving the Real-Name Registration Management of Telephone Users" issued by the Ministry of Industry and Information Technology, telecommunications companies wil...[Details]
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After introducing the SMU ADALM1000 in the Analog Dialogue December 2017 article, we wanted to make some small basic measurements, part six of the ADALM1000 series. Figure 1. ADALM1000 schematic. T...[Details]
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Self-driving cars are an important technology worldwide. Vehicles that can drive themselves will improve automotive safety by eliminating the main causes of accidents, including driver distraction ...[Details]
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As Samsung Electronics and Sharp enter the market, LG Electronics, Sony, Huawei and other companies are also preparing to launch 8K TVs. According to Korean media ZDNet Korea, starting in the second ...[Details]
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one The 51 single-chip microcomputer has 4 parallel input/output ports, each port has 8 port lines, so the 4 ports have a total of 32 port lines. Each port is a bidirectional port, which can be use...[Details]
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Lithium-ion (Li+) batteries are more fragile than other battery chemistries and have very little tolerance for mishandling. Therefore,
lithium battery
charging circuits are complex and ...[Details]
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On January 4, Xinlun New Materials stated on the investor interaction platform that the company has strengthened product R&D innovation, established a long-term R&D investment mechanism and a multi-l...[Details]
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Recently, according to foreign media reports, a 19-year-old Iowa girl, Victoria O'Connor, successfully recovered her stolen car with the help of the "Find My iPhone" feature of the iPhone. It...[Details]
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With the improvement of automobile electrification, the progress of automatic driving and intelligence, the application of motors in cars will increase, and the types and drives of motors are also ...[Details]
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CAN bus (Controller Area Network) is a communication protocol used in the automotive and industrial fields. It has high reliability, real-time and flexibility. In the CAN bus system, the repeater i...[Details]