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start.S source code: .global _start _start: ldr sp, =0xD0030000 // Initialize the stack because the C function will be called later bl clock_init // Initialize the clock bl ddr_init // ...[Details]
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The contrast of 12864 LCD is adjusted before leaving the factory, so users do not need to connect anything to the third pin when using it. In order to be compatible with multiple 12864 LCDs, this exp...[Details]
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On October 27, the 2011 China International Nanotechnology Industry Development Forum and Nanotechnology Products Exhibition opened in Suzhou. As one of the co-organizers of the conference, the rel...[Details]
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Driven by market demands such as 5G and data centers, memory prices bottomed out and rebounded since the fourth quarter of 2019. Upstream manufacturers have significantly raised their ex-factory pric...[Details]
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The working principle of the application circuit of the device is shown in Figure 2. We know that in the watt-hour meter, the voltage coil and the current coil are connected in parallel to the...[Details]
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Personally, I think that control theory is all mathematics, and it is a specialized kind of mathematics, or an applied mathematics. Fuzzy control is no exception. It is based on fuzzy set theory. Fuz...[Details]
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Solid-state lighting (SSL) or light-emitting diode (LED) lighting is the obvious replacement for incandescent and FL/CFL lighting, driven by government regulations, high efficiency, long life, and ...[Details]
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1. How to integrate the programming function of PIC microcontroller in ATE https://blog.csdn.net/dexinzheng/article/details/41723029?_t_t_t=0.833070834577722 2. Burn the program of PIC16F1947 witho...[Details]
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Abstract: This article takes the basic structure of TOPSwitch-GX flyback power supply as an example, focusing on the characteristics, design and calculation of several feedback circuits. The respecti...[Details]
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Automakers such as Toyota and Nissan plan to increase production, which significantly reverses the recent trend of production cuts caused by chip shortages. Nissan informed suppliers that it plans...[Details]
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Startup file initialization code: @************************************************************************* @ File：head.S @ Function: Set up SDRAM, copy the program to SDRAM, and then jump to SDRAM...[Details]
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Recently, Baidu and Shanghai Zhangjiang (Group) Co., Ltd. (hereinafter referred to as "Zhangjiang Group") signed a strategic cooperation agreement in Shanghai. The two parties will fully integrate th...[Details]
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Recently, MediaTek has teamed up with GosuncnWelink, a leading IoT module manufacturer in the industry, to help Goldcard Smart Group achieve large-scale commercial use of multiple remote gas meter pr...[Details]
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Huawei is likely working on a new foldable smartphone, but this one uses a different design than the Mate X series. According to a recently surfaced patent, this new foldable phone uses a clam...[Details]
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On November 11, ON Semiconductor, a company specializing in smart power and smart sensing technologies, announced the launch of the Treo Platform, an analog and mixed-signal platform built on an ad...[Details]
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