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Industrial control technology has gone through three stages: the first generation of traditional computer centralized control systems (CCS); the second generation of distributed control systems (DCS)...[Details]
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Assembly control pseudo instructions are used to control the execution flow of the assembly program. Commonly used assembly control pseudo instructions include the following:
— IF,...[Details]
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1. NAND boot Here, the NAND size is 256M. When booting from NAND, address 0 is the on-chip SRAM, and NOR is invisible. Since NAND does not support XIP, the hardware automatically copies the first 4K ...[Details]
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In a few days, 2019 will be over. The year 2020 is coming, which means we are about to enter the third decade of the 21st century. In the past decade, 3G/4G and smartphones have ushered in th...[Details]
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This paper takes the STC12C5A60S microcontroller as the core and uses its internal two-way programmable counter array (PCA) modules to simulate the pulse width modulation method. It designs and imp...[Details]
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1 Introduction
With the development of science and the advancement of technology, the application of ultrasound in ultrasonic welding, ultrasonic cleaning, drying, atomization, navigation,...[Details]
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Not long ago, Apple announced that customers can purchase the new iMac and 12.9-inch iPad Pro with M1 chip at Apple Store retail stores and authorized dealers around the world starting May 21. Custom...[Details]
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Introduction to the pin functions of 8051 microcontroller
First, let's connect the pin diagram of the microcontroller. If, the specific functions are introduced below.
The 40 pins o...[Details]
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SMIC's 14nm process has been successfully mass-produced, so how should we evaluate it? Li Nan, former senior vice president of Meizu, shared his views on this issue. Li Nan believes that SMIC is in...[Details]
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Successfully verified the superiority of photonic computing and broke through the boundaries of the integrated circuit industry with photonic technology
On December 15, 2021, Lightel...[Details]
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Add condenser air duct to refrigerator
In compression household refrigerators, the lower the temperature in the condenser, the better the cooling effect. For this reason, some peop...[Details]
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In the field of industrial control, frequency converters are key devices for regulating motor speeds, and their stability and accuracy are crucial. However, in practical applications, we often enco...[Details]
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The latest report from market research firm Strategy Analytics shows that the global smartphone application processor (AP) market revenue in the first quarter of 2020 was US$4.7 billion, a year-on-ye...[Details]
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A few days ago, QuantumScape, a US solid-state battery developer, was listed on the New York Stock Exchange with the stock code "QS". Interestingly, this is the first company dedicated to the...[Details]
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Most of the current maritime radars in China are imported radars with a short effective detection distance. They can no longer identify signals when the signal-to-noise ratio drops to 3 dB. With th...[Details]
Test/Measurement
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