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Abstract: Based on the theory of digital matched filter and lead-lag phase detection loop, VHDL programming is used to implement the circuit of PN code capture and tracking on FPGA chip. The design...[Details]
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As shown in the following code, why is sending port SDA to SDA a set operation? In fact, SDA is an offset, which is based on GPIO_PORTB_BASE. SDA defines a certain pin, such as #define SDA 0x20H This...[Details]
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In industrial and commercial applications, most pumps and fans are driven by AC induction motors, which are asynchronous motors that rely on electric current to turn the rotor. Torque is generated ...[Details]
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High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
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This article played an important role in my U-Boot porting, explaining the modifications that need to be made to U-Boot to boot from NAND Flash, but its approach is not completely correct (just my pe...[Details]
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I have done a system-free IAP and APP jump before. After finding information on the Internet, it was completed smoothly. Later, in the IAR integrated development environment, IAP had no system and AP...[Details]
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So far, solid-state batteries, which have only been used in laboratories, may become the first thunder of the spring for the automotive industry in 2022. As if overnight, the longing for solid-stat...[Details]
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March 14, 2024 – Mouser Electronics, a global authorized agent of electronic components and industrial automation products focused on introducing new products, will start selling Laird Connectivity’s...[Details]
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There has been constant speculation in the industry about whether BOE will provide OLED panels for Apple's iPhone 13 series. Korean media recently reported that BOE is expected to supply more than 15...[Details]
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introduction Since the digital signal processing ( DSP ) chip represented by TMS320 was launched by TI in the 1980s , it has provided different series and various varieties of products and has bee...[Details]
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Modern spectrum analyzers use radio signal design software: they create a common hardware platform and program functions, so advanced spectrum analyzers have "software-defined tools", basically keepi...[Details]
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China Energy Storage Network News:
On August 28, the National Energy Internet Industry and Technology Innovation Alliance General Member Conference and the 2017 National Energy Internet Confe...[Details]
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"Optical fiber in, copper out" is the development trend of broadband and bidirectional cable TV network. Cable TV network transformation should push optical fiber further to the user end to achieve th...[Details]
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1. Modifications before transplantation
1.1 include/configs/jz2440 modification
Original definition:
It can be seen that CONFIG_CMD_NAND must be defined first to enable NANDFla...[Details]
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Introduction: The design of USB low-speed devices has reached considerable maturity. Various IC companies have launched USB DEVICE-side solutions, generally using 8 BIT CPU CORE + USB SIE as th...[Details]