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1. What is byte alignment and why do we need it?
In modern computers, memory space is divided by bytes. Theoretically, it seems that any type of variable can be accessed from any address, but in re...[Details]
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According to foreign media reports, the Biden administration of the United States plans to expand export restrictions on US chip companies to China. On the other hand, chip giant Micron broke ground ...[Details]
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Foreign market structure
In the "2016-2020 China Photovoltaic Inverter Industry In-depth Research and Investment Prospect Forecast Report", CITIC Consulting pointed out that the main manuf...[Details]
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The integration of Internet technology and vehicles is becoming increasingly close, and the interactive interface in the car has become more complex. As an important part of the interaction between t...[Details]
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The following is the C language source program: #include reg52.h #define uint unsigned int #define uchar unsigned char uintled ={0xc0,0xf9,0xa4, 0xb0,0x99,0x92,0x82,0xf8,0x80,0x90, 0x88,0x83,0x...[Details]
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Recently, many Apple Watch users who have updated to watchOS 7 have reported an issue involving the loss of GPS map data after recording exercise in the fitness app. Users said: "I used the outdoor...[Details]
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On April 11, 2022, Beijing time, vivo held a new product launch conference, bringing vivo's world-first folding screen flagship mobile phone X Fold, the new flagship large-screen mobile phone X Note,...[Details]
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WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary World Peace has launched the E7QL intelligent facial recognition system...[Details]
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Humanoid robots have attracted a lot of attention in the industry in 2023, and capital is obviously fond of them. However, since there has not been a real landing, or even a normal operation demons...[Details]
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The design bandwidth of common on-chip filters is over megahertz, while filters with bandwidths of tens of kilohertz are mostly implemented using off-chip passive components. The reason is that the...[Details]
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3.Key recognition Since the key recognizes the low level of the corresponding scan, P07 is set to output a low level. 1 ) Complete the program flow modification as shown in Figure 16 and make...[Details]
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Test the working principle of DMA in driver mode. The user-level program continuously calls ioctl to trigger the DMA operation completed in the driver, moves the memory data block from one consecutiv...[Details]
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The PLC control circuit diagram is as follows:
PLC control l/O allocation table is as follows:
The ladder diagram is as follows:
The specific startup process is:
...[Details]
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We often encounter the situation where we need to calculate the number of days, hours, seconds, etc. between two dates given two dates. Usually the given date format is a string, such as year, month, ...[Details]
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The auto-coupling step-down starter is an electrical device used for motor starting. It reduces the starting current by reducing the voltage when the motor starts, thereby protecting the motor and ...[Details]