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3.2 Addressing mode of ARM instructions The so-called addressing mode is the way the processor finds the physical address based on the address information given in the instruction. Currently, the ARM...[Details]
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One of the most common sources of measurement error is the presence of vertical noise, which reduces the accuracy of signal measurement and causes inaccurate measurement problems when the frequency...[Details]
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Soon after I started working, I encountered a problem with flash reading and writing. It was an lpc2388 chip (arm7). At the beginning, I always read the data sheet with the method of reading and wr...[Details]
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Morse Microelectronics and Qunguang Electronics collaborate to launch the world's first Wi-Fi Certified HaLow IoT security camera Long-distance, low-power wireless cameras will revolutionize the se...[Details]
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We have to admit that traditional oil vehicles are slowly being phased out. In the future, new energy vehicles will definitely dominate the world. The new energy vehicle industry will make great st...[Details]
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When using a clamp ammeter to detect current, be sure to clamp one conductor (wire) being measured. If you clamp two (parallel wires), the current cannot be detected. In addition, when using the cent...[Details]
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When making smart home, the lower computer used was PIC24FJ64GA004, so I wrote the following program. Due to my unfamiliarity with PIC24, I forgot to add the configuration bits, which resulted in the...[Details]
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“You never know how your competitors are going to solve a problem.” A person in charge of a technology company once lamented that the technical routes in the field of autonomous driving are so dive...[Details]
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Voltage Amplification vs. Current Amplification
To make a voltage amplifier stage, a circuit with voltage gain with common emitter or common base and source ground or gate ground can usual...[Details]
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一、I2S控制器结构框图 S3C2440A的Inter-IC Sound (IIS)总线接口作为一个编解码接口连接外部8/16位立体声音频解码IC用于迷你碟机和可携式应用。IIS总线接口支持IIS总线数据格式和MSB-justified数据格式。该接口对FIFO的访问采用了DMA模式取代了中断。它可以在同一时间接收和发送数据。 图1 结构框图 总线接口，寄存器组和状态机（BRFC）：...[Details]
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Yang Jie, chairman of Samsung Electronics China DS, posted a video to warm up for OPPO's first foldable screen flagship Find N. Yang Jie said that OPPO mobile phones have maintained rapid growth, m...[Details]
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At present, in flat panel display technology, organic light emitting diodes (OLED) have the advantages of self-luminescence, high contrast, high response speed, wide viewing angle, etc., which have...[Details]
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From August 8th to 10th, the 6th China (Gansu) International New Energy Expo (CINEE 2015) will be grandly opened in Jiuquan. Sungrow, a global leader in photovoltaic inverters, will exhibit its mai...[Details]
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In the current new car market, if you don’t mention the intelligent driving capability, you will be embarrassed to say that this is a newly released car. Under the overwhelming publicity, many users ...[Details]
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First, let's talk about the electrolytic capacitor in the input circuit. As we know, the DC input current of the inverter is usually very large. The maximum input current of a 12V 1000W inverter can ...[Details]
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