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Power pin: (pin 40) positive power supply VCC; (pin 20) negative power supply GND.
Reset pin: (9-pin) reset pin RST.
Clock signal input and output pins: (19-pin) XTAL1; (18-pin) XTAL2;
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1. This world is really crazy. It seems that some people start learning FPGA without even knowing what the principles of FPGA are . 2. DSP is a processor with unique instructions. Alt...[Details]
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0Introduction
If there is a single-plank bridge that can only accommodate one person, and people at both ends want to cross the bridge, in order to avoid crowding and congestion, we have...[Details]
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It has a very small standby current - making it ideal for battery powered operation. This is particularly useful in garages/sheds with no mains supply. I used a 9 volt battery in the diagram ...[Details]
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On December 24, Counterpoint released a report announcing the top ten best-selling smartphones in the world in Q3 2019. Among them, iPhone XR ranked first, occupying 3% of the market share. This ...[Details]
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According to foreign media reports, after Apple CEO Steve Jobs first demonstrated the iPad 2, reporters collected the top 10 issues that people are most concerned about.
1. Why are the memory spe...[Details]
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Features of water bath nitrogen blowing instrument
1. The water bath nitrogen blowing instrument is suitable for test tubes (diameter 10~29mm), conical flasks, centrifuge tubes, and sample capaci...[Details]
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Since the stm32 library is implemented with an external crystal oscillator of 8M by default, the serial port baud rate is also configured at 8M, including the main frequency. If an external crystal o...[Details]
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On January 18, Everbright Securities issued an announcement on the guidance of Ningxia Dunyuan Juxin Semiconductor Technology Co., Ltd. It was disclosed that Ningxia Dunyuan Juxin Semiconductor Techn...[Details]
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When measuring insulation resistance, pay attention to the following points: (I) Before the test, remove the resistance of the cable under test and all external connections, and ground it to discharg...[Details]
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OnePlus 9 series phones will be released on March 24, and OnePlus' first smartwatch, OnePlus Watch, will also be released. According to the patent drawings of OnePlus smartwatch, the product wi...[Details]
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From October 15 to 16, 2021, the "2021 China Automotive Supply Chain Conference" co-organized by the China Association of Automobile Manufacturers and the Chongqing Liangjiang New Area Management Com...[Details]
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introduction
Due to design and process reasons, some panels have problems such as the characteristics of liquid crystal molecules being easily destroyed. Therefore, when designing the driv...[Details]
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An oscilloscope is a commonly used testing instrument that can convert electrical signals that are invisible to the naked eye into visible images. It has many advantages, such as high reliability, g...[Details]
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With
the rapid development of
autonomous driving
technology, the research and development of autonomous driving has gradually formed a complete set of processes, including
data collectio...[Details]