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UMC's 12-inch wafer fab Xiamen Unigroup turned profitable in the first quarter of this year due to the surge in demand for 28-nanometer chips, with a profit of NT$644 million for the quarter, a signi...[Details]
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The pursuit of longer operating time for portable products has led to fuel cells becoming a new power source in the field of terminal equipment. However, there are still many challenges in "using f...[Details]
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TDA2040 is an audio amplifier circuit produced by Telefunken, which adopts a V-type 5-pin single-in-line plastic package structure. As shown in Figure 1, the pins can be divided into H-type and V-type...[Details]
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Microsoft's Surface family covers a variety of PC forms, including 2-in-1 and notebooks, among which Surface Laptop is a traditional notebook form. The current starting price of the Microsoft ...[Details]
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In recent years, Internet-based network control systems have become a hot topic in the field of measurement and control at home and abroad, and have broad application prospects in the fields of oil ex...[Details]
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Embedded systems are widely used in many fields such as industrial measurement and control, smart instruments, and smart homes. With the continuous expansion of the application scope of embedded syst...[Details]
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Currently, many application fields use wireless methods for data transmission. Wireless radio frequency data transmission modules are used in various aspects such as wireless meter reading, industria...[Details]
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In addition to measuring the basic parameters of radar pulses directly in the oscilloscope, you can also use more powerful vector signal analysis software. The figure below is an example of using Keys...[Details]
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1. Promote or redesign with energy-saving concepts
High efficiency of the power supply at light load is the key factor. The efficiency of the working mode is the average of the efficiency when...[Details]
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Let's review the processing flow before and after the interruption occurs: see the principles and processes of exceptions and interruptions for details.
Before interruption:
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When it comes to portable storage, the status of USB flash drives seems to be unshakable. Recently, PNY updated its Elite-X Fit family of products, doubling the maximum capacity from 256GB to 512GB...[Details]
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/* * File: main.c * Author: sm116 * * Created on June 12, 2017, 9:27 AM */ #pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin) #pragma confi...[Details]
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Digital Design Basics--Time and Distance
The speed at which electrical signals propagate in wires and printed circuit traces depends on the medium surrounding them. The magnitude of th...[Details]
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High-power, high-brightness power LED is a green and environmentally friendly light source with high efficiency, energy saving and long luminous life. It is driven by adjusting the current flowing...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]