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u-boot startup process: From the file level, the main processes are in two files: cpu/arm920t/start.s, lib_arm/board.c, 1)start.s The boot code executed in flash, which is stage1 in bootload...[Details]
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Components of a turbine flow meter 1. Components to be measured The turbine has precision machined blades, which together with a set of bearings and reduction gears form a measuring assembly. T...[Details]
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Abstract: A practical control strategy for a three-phase active power filter (APF) is introduced. The main circuit topology of the APF adopts a three-phase four-wire voltage-type converter. Its con...[Details]
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AI chips are a basket, and any company can try to make a fuss about it. Galanz announced yesterday at its Shunde headquarters that it will tape out AI chips early next year. Its partner, Saifang Tech...[Details]
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For IA32 (X86), when an exception is found, the CPU hardware does a lot of things, such as switching SP, CR3, CS, etc. (reading TSS), while for ARM, the processing flow is as follows
CPU Hardw...[Details]
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Recently, the Veken Cup OFweek 2023 (8th) Industry Annual Selection Award Ceremony hosted by OFweek, a high-tech industry portal, was held in Shenzhen.
With its excellent strength and market ...[Details]
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Recently, I used the stm8 library function to write functions. When using I2C, I encountered a problem that it would get stuck when calling void I2C_Send7bitAddress(uint8_t Address, I2C_Direction_Typ...[Details]
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In July 2020, Nissan released its new generation flagship electric car Ariya, which is expected to be launched in the United States in the second quarter of this year and in China in the third quarte...[Details]
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In an extraordinary period, children can't go to school, adults are not at home, and they sleep until 10 o'clock every morning, which is a bit too much, so I made a simple timer alarm as an alarm clo...[Details]
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Modern production and scientific research have increasing requirements for image acquisition systems. Traditional image acquisition cards are slow and have simple processing functions, which cannot...[Details]
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The DC power supply system is mainly responsible for supplying power to control equipment, protection equipment, etc. in the process of power production. Insulation degradation and DC bus gro...[Details]
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Oftentimes, technological progress stems from human imagination of the future, and it is these imaginations that guide humans forward step by step. So sometimes you’ll find that the plots that appear...[Details]
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Principle of synchronization between horizontal oscillation and horizontal scanning in TA7609P integrated circuit
The line oscillator directly generates a 2fH (31,250Hz) pulse, which is output...[Details]
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3.1 Calling a subroutine
The process of calling a subroutine by the main program should include 6 steps: protecting the breakpoint, jumping to the first address of the subroutine, protecting t...[Details]
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Industrial control systems are an indispensable part of modern industrial production. They control and monitor various equipment and parameters in the production process to achieve automation, inte...[Details]