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11.1 GPIO introduction 11.1.1 GPIO pins GPIO is the input and output port. S3C2440A contains 130 multi-function input/output port pins and they are eight ports as shown below: Port A (GPA): 25-bit o...[Details]
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I have been studying arm on and off for 2 months. Now I feel that I understand the boot process of arm in Nand flash mode. Now I come here to record it to express my extremely happy mood. Without furt...[Details]
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Multi-range voltmeters or voltage range blocks usually use the "ω/v" symbol to represent the internal resistance of the meter. A 0~10V~100V~500V voltmeter has an internal resistance of 20000ω/v, wh...[Details]
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Nidec Sankyo has officially started to expand the sales of S-FLAGⅡ in China. S-FLAGⅡ is the world's first AC servo motor with a built-in 23-bit magnetic encoder. Previously, S-FLAGⅡ has been mass-pro...[Details]
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On September 24, Samsung officially released the industry's first 0.7μm pixel-level image sensor GH1. This image sensor can accommodate 43.7 million pixels in an ultra-small package size. Before this...[Details]
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When the designer completes the program development on the MCU, the program needs to be fixed into the program memory inside the MCU. When the program memory of the MCU adopts Flash technology, the...[Details]
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Televisions have evolved from early CRT black and white TVs to CRT three-gun (RGB) color TVs and SONY's CRT single-gun color TVs, then CRT flat-panel color TVs, then electric paddle color TVs, then...[Details]
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Inductor Core Material Performance Comparison Table
Iron Powder
(Pure) Iron Powder Core
Hi-Flux
high flux magnetic powder co...[Details]
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In the distribution network, low-voltage reactive power compensation is of great significance to improving power quality and reducing line losses. It has been widely used. However, there are many m...[Details]
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Xiaomi today confirmed that the Mi 12 will debut on December 28. The brand released a poster showing that sprinter Su Bingtian will endorse the Mi 12 series. While the poster doesn't confirm how ma...[Details]
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At the launch conference of the Redmi Note 8 series, in addition to the release of mobile phones, there was also a Redmi laptop equipped with the 10th generation Intel Core processor. As for why Redm...[Details]
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Introduction: This article gives the PIC16C71 microcontroller key to wake up the CPU source program, I hope it will be helpful to interested friends. ;p=pic16c71,xt=40000hz LISTP=16c71 ; ZEQU2 ...[Details]
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Beijing Unigroup Core Energy Technology Co., Ltd. ("Unisplendour Core Energy") is an automotive chip design company. Relying on Unigroup's strong capital platform and Tsinghua University's deep tal...[Details]
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The State Grid Xinyuan Shanxi Yanqu Pumped Storage Power Station, with a total investment of 7.96 billion yuan, is a key construction project of the National Hydropower Development 13th Five-Year Plan...[Details]
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A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]