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2440:
S3C2440 can use external crystal (XTIpll) (default is 12MHZ) and external clock (EXTCLK) to input clock signal. It is determined by jumper OM . The default working frequency of S3C2440 i...[Details]
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In a distributed power supply system, the characteristics of each power module working in parallel may not be completely consistent. If no measures are taken, a certain module may be subjected to a...[Details]
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Substandard application performance can create software or network problems. To ensure that the software meets or exceeds design expectations, it is necessary to analyze the application's performan...[Details]
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IIC communication protocol: A bidirectional two-wire synchronous serial bus only requires two wires to transmit information between devices on the bus. The two wires are SDA and SCL. SDA: Bidirec...[Details]
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Let's review some of the instructions we have learned: MOV P1, #0FFH, MOV R7, #0FFH. These instructions are to send some data to the corresponding location. Why do we need to send data? The first r...[Details]
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LED lighting
applications are an inevitable trend, but in the past, low output
brightness
, poor stability, and difficulty in extending life have hindered market penetration. In vi...[Details]
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According to Canalys statistics, the global PC market (including desktops, notebooks and computer workstations) grew by 4.7% in the third quarter of 2019 to 70.9 million units, setting a new record s...[Details]
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The Serial Peripheral Interface (SPI) bus is a synchronous serial data link that operates in full-duplex mode. It is used to exchange data between a single master node and one or more slave nodes. ...[Details]
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March 13, 2024 — In a major breakthrough, OpenAI spinoff Covariant announced the success of building a new artificial intelligence model that enables
robots
to learn to perform a variety of...[Details]
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Telecom oscilloscope with graphic display, observes waveform and measures cycle, measures signals in several types, ultra-low, normal, high frequency, observes two-credit dual trace, analyzes better ...[Details]
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/* Code adapted from Atmel AVRApplICation Note AVR306 * Interrupt mode driver for UART. */ #include io8515.h #include macros.h #include "uart.h" /* IMPORTANT: these vector numbers are for 8515! If yo...[Details]
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电源装置是电子电气设备中所不可缺少的部件，开关电源以其效率高、体积小、重量轻、电压适应性好等优点，受到相关行业的青睐。但目前存在的缺陷是电磁骚扰大，对环境或对其他设备造成不利影响。目前对于可变负载的开关电源，笔者所了解到的产品最低输出噪声电压也在70 mV以上。设计低电磁骚扰的开关电源，也就成了许多设计人员的希望，为此提出了种种方法。本例设计要点不同于常规技术，而是采取了从源头上对电磁噪声进...[Details]
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With the increasing application of LED display screens, they can be seen almost everywhere in life. Whether it is outdoor advertising large screens, indoor high-definition large screens, small-pitch ...[Details]
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introduction
To accommodate the rapid technological advances in computing, communications, and industrial markets, the PCI Industrial Computer Manufacturing Group (PICMG®) developed t...[Details]
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When a point on a unit circle on the complex plane makes an angle θ with the real axis, the point can be expressed as
e is the base of natural logarithms, and this formula is calle...[Details]
Industrial Control Electronics
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