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On the afternoon of August 12, Liu Bing, deputy secretary of the Jiaozuo Municipal Party Committee and mayor, presided over a planning and promotion meeting for the integrated power generation, gri...[Details]
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Multimedia phones and PDAs are typically feature-rich and require a variety of power levels, regulation and driver requirements. TI offers a variety of solutions for application/graphics processors...[Details]
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Huawei applied for a technical patent for "a folding display screen, a method for manufacturing a folding display screen and a terminal device" in 2019, which has now been made public. This ...[Details]
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1 Introduction At present, most of the rice cookers on the market use mechanical or fixed power heating, with low energy utilization and single function, which is difficult to meet people's growing l...[Details]
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LCD1602 D0~D7 connect to P0 port, RS=P3.1, RW=P3.2, sbit E=P3.3. Voltage test port connects to P1.0. The power supply voltage must be stable at 5V to measure accurately. In addition, because there is...[Details]
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According to a report by Japan's Mizuho Securities, the mass production time of Intel's next-generation Xeon server chip "Sapphire Rapids" may be delayed again, and may not be mass-produced and shipp...[Details]
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Due to the error in the production process, there is a certain difference between the real product and the design, so engineers should consider the impact of the error on the circuit performance when...[Details]
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Recently I ported a UCOSII to STM8L, let’s start with the compiler. Since IAR is very similar to VC++, I chose it directly. 1. Function parameter passing It is known that it uses 16 virtual registers...[Details]
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On June 10, the announcement of the 40th review meeting of the Science and Technology Innovation Board Listing Committee showed that it agreed to the issuance and listing (initial public offering) of...[Details]
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As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
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In versions after ARM v4, the ARM core has 7 working modes: User, FIQ, IRQ, Supervisor, Abort, Undefined, and System.
The 7 processor modes are divided into 3 categories:
User mode
Privileged mod...[Details]
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On May 21, the company held the unveiling ceremony of the State Grid Corporation of China Big Data Center and the big data conference, and launched the preparatory work for the China Power Big Data...[Details]
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Recently, the "Implementation Rules for the Management of Special Funds for Promoting the Development of the Integrated Circuit Industry in Zhuhai" (hereinafter referred to as the "Implementation Rul...[Details]
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As a mobile device platform, Android's software hierarchy includes an operating system (OS), middleware (MiddleWare) and application (Application). According to the Android software block diagram, ...[Details]
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1 Introduction Fingerprint recognition technology analyzes the local features of fingerprints and extracts detailed feature points from them, thereby reliably confirming personal identity. Fingerpri...[Details]