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What is a coprocessor? Coprocessors are used to perform specific processing tasks, such as math coprocessors that can control digital processing to reduce the burden on the processor. ARM can suppo...[Details]
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With the rapid growth of information, information security has received increasing attention. A complete data encryption and decryption system should have a secure and reliable password authenticat...[Details]
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register
ATPCS specifies registers for special purposes
- Registers r0-r3 are used to pass argument values into a function and result values out. r0-r3 can be referenced by a1-a4 to make this us...[Details]
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ARM7TDMI(-S) has a 32-bit ARM instruction set and a 16-bit Thumb instruction set. The RM instruction set is highly efficient, but has high code density. The Thumb instruction set has a higher code de...[Details]
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At present, thermocouples or thermistors are generally used as sensors for detecting temperature. A dedicated temperature compensation wire is generally used between this sensor and the instrumen...[Details]
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On March 20, the mobilization meeting for the concentrated start of key projects in the first quarter of 2023 in Liaoning Province and the opening ceremony of the Yiwei lithium energy storage and pow...[Details]
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With the rapid development of new-generation electronic information technologies such as artificial intelligence, 5G, and the Internet of Things, the market demand for semiconductors, components, and...[Details]
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Introduction
Bootloader is the first piece of software code that runs when the system is powered on. In embedded systems , there is usually no firmware program like BIOS, so the loading and s...[Details]
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Apple held its 2019 fall conference at 1 a.m. Beijing time on the 11th. The focus of every fall conference is the iPhone. This time, the upgrade of iPhone 11 is relatively large compared to the X to ...[Details]
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(1) STC routine analysis /* STC15Fxx series output PWM example with arbitrary cycle and arbitrary duty cycle*/ #define CYCLE 0x1000L //Define PWM cycle (maximum value is 32767) #define DUTY 10L //De...[Details]
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Code written in C: delay = 0x64; while(--delay); The compiled assembly source code is as follows: ; SOURCE LINE # 62 0010 7F64 MOV R7,#064H ; 2B,2CLK 0012 ?...[Details]
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VUSB uses a common general-purpose AVR microcontroller, equipped with a high-frequency crystal oscillator (12MHz or 16MHz), to simulate the signals required by USB, thereby simulating a standa...[Details]
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How do you spend your weekends? Binge-watching The Handmaid's Tale? Catch up on your favorite late-night talk show? Maybe you're a fan of Twitch.tv. Sound like a lot of what we do? Not surprisingly, ...[Details]
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As LED lighting is becoming more and more popular, LED driver power supply, as the life support of LED, is also attracting more and more attention.
We all know that there is nothing special abou...[Details]
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There are many types of SMD capacitors, and the parameters of SMD capacitors used in different products are also different. The reason why automotive professional SMD capacitors are special is that...[Details]
Power technology
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