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Recently, when I was using IAR to debug a program, I suddenly discovered that if there were breakpoints in the program, the program could not be executed step by step. As shown in the figure below,...[Details]
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New Japan Radio Co., Ltd. has developed an optical lens position detection system called "Opt-Pass", which is most suitable for lens position detection during autofocus and zooming of optical photo...[Details]
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In recent years, we have seen many mobile phone features being cut off or marginalized, such as radios and infrared remote controls. These features are either rarely used by consumers or are not stro...[Details]
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During development, the ATmega8 peripheral SPI bus is used:
Before sending data, it is in slave mode and in receiving state. When sending, it needs to enter master mode, and then enter slave mode aft...[Details]
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China News Service reporters learned from the Purple Mountain Observatory of the Chinese Academy of Sciences on the 13th that during China’s 39th Antarctic scientific expedition, the station took the...[Details]
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Abstract: MultiMediaCard is a large-capacity serial Flash memory card launched by Sandisc. Its dimensions are 32mm%24mm%1.4mm, its mass is less than 2g, and it has 7 pins, which is convenient for th...[Details]
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1. Transplantation of font library Characters are also made up of dots, a dot matrix composed of dots. In fact, to display text is to transplant the font library to the board that matches the corresp...[Details]
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With the popularization of LED electronic display screens and LED full-color screens, LED display screens have become a beautiful landscape in today's information society. Especially when night falls...[Details]
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The classic way to implement a voltage divider by two is to use two resistors of equal value. If you use resistors with a precision of 1%, the output voltage of the voltage divider by two will be acc...[Details]
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The Flash of C8051F020 can realize the IAP function (In Application Programming), that is, the program can program the Flash storage area. In other words, in addition to storing program code, the Flas...[Details]
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Basic knowledge of test measurement Measurement technology is a cutting-edge science with its own professional system, covering multiple disciplines, and with strong theoretical and practical charact...[Details]
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By Roger Nichols, 6G Program Manager, Keysight Technologies By the end of 2020, only 2% of the world's 8 billion mobile subscriptions will be 5G. While the vision of 5G is still a long way off, t...[Details]
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Mobile consumer devices such as smartphones, tablets and ultrabooks are facing growing demands for providing rich, diverse and instantaneous network multimedia experiences. Almost every part of the s...[Details]
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Part 6: Conditional States and Branching We have already touched upon conditional states when we were discussing CPSR. We control the flow of execution at run time by jumping (branching) or by instru...[Details]
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The electronic control technology on automobile engines mainly includes the following aspects:
Electronic fuel injection (EFI)
The electronic fuel injection system is a system t...[Details]
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