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ARM classification and characteristics:
ARM microprocessors using RISC architecture generally have the following characteristics:
1. Small size, low power consumption, low cost, and hi...[Details]
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For $250 a month and a few less cups of coffee, you can get the latest iPhone. In the past two years, when my friends didn’t know what mobile phone to choose, I would often say this to them:...[Details]
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1. Develop towards high performance and high accuracy The emergence of digital technology has improved the accuracy, resolution and measurement speed of analog instruments by several orders of magnit...[Details]
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Speaking of home projectors, traditional mercury lamps have occupied most of the market for many years. In recent years, in addition to the original traditional mercury lamps, many products have also...[Details]
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It can be said that there are three main features:
(1) Bus structure: The bus structure of the MCS-51 microcontroller is the von Neumann type. The computer fetches instructions and data in the same ...[Details]
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On the morning of May 27, Jiangxi Far East Battery Co., Ltd. held a European household energy storage product shipment ceremony in front of the Science and Technology Building. Jiangxi Far East Bat...[Details]
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Introduction
Cables are important carriers for signal transmission in communication, testing and other systems. With the increase in the number of cables and the extension of their operating time, c...[Details]
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*ST Dehao (002005) announced on the evening of July 9 that the company's board of directors reviewed and approved the "Proposal on Authorizing the Management to Promote the Closure of the LED Chip F...[Details]
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Hardware 1. Turn off the CPU watchdog 2 Configure the CPU working clock 3. The program needs to run in SDRAM, so SDRAM must be initialized Software 1 To run a function, stack space is required, so ...[Details]
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1. Systick Introduction Systick is just a timer, but it is placed in NVIC. Its main purpose is to provide a hardware interrupt (called tick interrupt) to the operating system . Tick interrupt? H...[Details]
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According to CCTV News, today, Myanmar telecommunications operator MYTEL officially announced the start of Myanmar's first 5G transmission test. The company's 5G transmission test uses entirely the t...[Details]
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Introduction
14443 TypeA closely coupled RFID card standard is widely used in access control, identity recognition and electronic wallet, and RC522, as a new member of Philips base station ch...[Details]
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June 7, 2022, Shanghai - Qualcomm Technologies today announced its collaboration with PATEO Automotive (PATEO) in the field of automotive smart cockpits. Based on the powerful fourth-generation Snapd...[Details]
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What will Google's AI look like in 2025? Let’s imagine: by then, Google AI may have diagnosed more patients than the most experienced doctors; Google will surpass pharmacies and hospitals to become...[Details]
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Last time, I finished reading the boot assembly and prepared the C operating environment. Now I will start to learn the C source code and jump from the start.S file to the file
lib_arm/board.c ...[Details]
PCB Design
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