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1. Hardware pin introduction: This test uses SPI mode to read and write SD cards, and the relevant pin configurations are as follows: Chip select: SD_CS- PB13, corresponding to pin 1 of SD card, lo...[Details]
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Some analysts pointed out that Apple will launch a 5G iPhone next year and predicted that the 5G iPhone will account for about 60% of total iPhone shipments in 2020. Apple analyst Ming-Chi K...[Details]
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first, typedef struct { vu32 CRL; vu32 CRH; vu32 IDR; vu32 ODR; vu32 BSRR; vu32 BRR; vu32 LCKR; } GPIO_TypeDef; The BSRR and BRR registers are 32 bits. Compare: 1) Set a bit in the low...[Details]
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Saleae Logic Analyzer Application Manual: Link: Saleae Logic Analyzer Application Manual Extraction code: ttei 1. Logic Analyzer A logic analyzer is a waveform testing device similar to an oscillos...[Details]
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The 200,000 Citroen C6 is old-fashioned; the 120,000 Citroen C6 is calm and atmospheric. Without lowering prices, it will be really hard to sell fuel-powered vehicles! I am afraid that the future car...[Details]
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Foreign media MacRumors reported that according to the Korea Herald, due to lower-than-expected demand for the iPhone 12 mini model, Apple is likely to compensate Samsung Display for insuffici...[Details]
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1. Introduction
Since the birth of the inverter, people have regarded improving the output waveform, eliminating harmonics, and improving the waveform quality as an important research cont...[Details]
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According to the Economic Daily, in response to the recent COVID-19 outbreak, TSMC, a leading semiconductor company, took the lead in internally announcing on April 1 that it would raise its epidemic...[Details]
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Dagens Industri reported today, citing people familiar with the matter, that Borje Ekholm, CEO of Swedish telecom equipment maker Ericsson, may soon announce his resignation and be succeeded by Hakan...[Details]
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The s3c2410 has three clocks: FLCK, HCLK and PCLK (these three clocks are the core clocks). The s3c2410 chip has this paragraph: FCLK is used by ARM920T, core clock, main frequency. HCLK is used fo...[Details]
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The so-called automatic metering is to use the transmitter to detect the temperature, pressure, pressure difference and other parameters involved in the natural gas flow metering in real time, and t...[Details]
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Apple has always been flexible when it comes to iOS updates. While users can choose not to install updates, you won't get security fixes if you don't install the latest version of iOS available. Whil...[Details]
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DigiKey, a leading global commercial distributor of a broad range of off-the-shelf, fast-shipping technology components and automation products, joins forces with Analog Devices, Inc. (ADI) and Amphe...[Details]
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The application of optical fiber communication technology is becoming more and more extensive. The variety of raw materials for manufacturing optical fiber is increasing, and the process technology...[Details]
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Electric vehicles appeal to buyers for many reasons: They produce fewer emissions, cost significantly less to operate, and have better long-term prospects than gasoline-fueled cars.
However, o...[Details]
Analog electronics
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