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Usually we don't use up all the pins of the microcontroller, and sometimes we also have high and low configurations on the same product, so how to treat some unused pins becomes a problem. First, let...[Details]
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1. Talk about the difference between ARM7 and ARM9:
This article is written for beginners who are preparing to learn ARM technology but have not decided whether to learn ARM7 or ARM9, or who are not ...[Details]
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data:
Fixed refers to the first 128 RAMs from 0x00 to 0x7f, which can be read and written directly using acc, with the fastest speed and the smallest generated code.
idata:
Fixed refers t...[Details]
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According to netizens, Redmi K20 today launched the first MIUI 12 development beta version based on Android 11. Users in need can apply for the beta test on their own. The official also stat...[Details]
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As an important part of the development of the national economy, the automobile industry is one of the important indicators of national industrial development. The automobile industry covers ma...[Details]
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At the end of September this year, Huawei released the nova 9/Pro mobile phone. It was reported that the phone would be pre-installed with HarmonyOS 2.0.1, but it was subsequently postponed. ...[Details]
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Although it will take some time for fully self-driving cars to appear, the technologies launched by various car manufacturers for this purpose have gradually yielded results. Consumer Reports, an aut...[Details]
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1. Principle of Leak Detector In the fully automatic leak detection with dry air as the medium, the workpiece to be tested is inflated and pressurized to determine whether the inflated gas leaks out....[Details]
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For many strategic emerging industries such as smart grid, new energy, electric vehicles, energy conservation and environmental protection, energy storage materials have become a technical bottlene...[Details]
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1. Low cost, the price is easily acceptable
The casing of an independent external amplifier should have sufficient mechanical strength and good shielding. The cost of some well-made casing...[Details]
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HDYZ-E zinc oxide arrester charged tester measurement and compensation principle 1 Measurement principle This instrument uses the projection method shown in Figure 1 to calculate the resistive curr...[Details]
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On April 23, Shenzhen Veertek Intelligent Instrument Co., Ltd. (VEERTEK, referred to as Veertek) and MPOWER Electronic (Shanghai) Technology Co., Ltd. (MPOWER, referred to as MPOWER) signed a strat...[Details]
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In early March, Apple’s cheapest 5G mobile phone to date, the iPhone SE3, was officially released. It is equipped with the same A15 bionic chip as the iPhone 13 series and is priced from 3,499 ...[Details]
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During the LED lighting design process, engineers can start the specific LED lighting circuit design after selecting the LED driver solution. This circuit design process is not easy, and involves d...[Details]
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Linear regulator integrated circuits (ICs) step down voltage from a higher voltage to a lower voltage without the need for an inductor. A low dropout (LDO) linear regulator is a special type of l...[Details]
DSP and ARM Processors
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