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1 SWI interrupt processing steps: 1) When entering an interrupt, pc- lr, cpsr- spsr, and cpsr_mode are set to privileged mode, all of which are completed by hardware. 2) Registering the interrupt vec...[Details]
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Recently, Yingqu Technology released its semi-annual performance report, achieving operating income of 3.653 billion yuan in the first half of 2021, a year-on-year increase of 113.4%; net profit attr...[Details]
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Electric contact pressure gauge is also a type of pressure instrument . There are many types and its working principle has its own special features. How much do you know about electric contact press...[Details]
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0 Introduction
With the increasing number of spare parts for missile weapons and equipment, the testing and maintenance of various single-board spare parts delivered to the troops becomes ...[Details]
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With the widespread use of various wireless devices, data transmission has become very crowded, and existing spectrum resources are becoming increasingly scarce. There is an urgent need for higher fr...[Details]
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When the CPU is started from NandFlash, the CPU will automatically copy the first 4K code in NandFlash to the CPU's built-in SRAM through its internal hardware structure. Note that this is the CPU's ...[Details]
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In terms of transmission, storage, recognition, synthesis, and enhancement, the research and development of intelligent voice technology mainly focuses on voice recognition and understanding, synth...[Details]
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China Energy Storage Network News:
At this year's "Two Sessions" of State Grid Corporation of China, Chairman Kou Wei made a profound analysis of the current situation facing the company, sys...[Details]
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MB89160/160A is a new 8-bit microcontroller series launched by Fujitsu of Japan. Because it adopts CMOS technology, high-density integrated process and modular structure, it has the characteristics...[Details]
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The immersion level transmitter is directly put into the measured medium, which is very convenient to install and use. Solid structure, no moving parts, high reliability, long service life, high-prec...[Details]
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With the official launch of the third-generation Honda CONNECT recently, Honda has made another breakthrough in the field of intelligent connected vehicles. Indeed, among the numerous cool car syst...[Details]
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1. SDRAM Principle
black (1) SDRAM internal storage structure:
(2) Let’s take a look at the schematic diagram of the SDRAM connected to 2440:
SDRAM pin description:
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On July 22, Wuling Motors announced the core "three-electric" technology of its Wuling Hybrid. At the motor level, Wuling adopts the market mainstream "P1+P3 dual motor series-parallel" technology ...[Details]
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Among the various components of electric vehicles, the power battery seems to be the most important part to consumers. Its performance and safety will have a direct impact on cruising range and user ...[Details]
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On October 23, Bloomberg reported today that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Documents obtained by ...[Details]