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The so-called startup code is a piece of code executed by the processor when it starts. Its main task is to initialize the processor mode, set up the stack, initialize variables, etc. Since the abo...[Details]
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introduction
In 1915, Ford Motor Company introduced electric lights and electric horns to its Model T automobile. Since then, automobiles have become increasingly dependent on electrical and e...[Details]
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In single-phase capacitor starting, capacitor running and dual-value capacitor asynchronous motors, capacitors play an important role in the starting or running of the motor. If the capacitor is open...[Details]
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ARM processor architecture
ARM and Thumb states
RISC technology
Pipeline technology
Superscalar technology
ARM and Thumb states
V4 and later have:
(1) 32-bit ARM instruction set
(2...[Details]
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Qualcomm on Wednesday reported third-quarter earnings in the range of $8.1 billion to $8.9 billion, below expectations. Net profit fell to US$1.8 billion, a 52% decrease from US$3.73 billion in the s...[Details]
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On March 18, Zhiji Auto announced that the industry's first technology "VMC Intelligent Digital Chassis" that uses intelligent algorithms to empower the vehicle central control system will be the fir...[Details]
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A multimeter is a multi-purpose electronic measuring instrument. The selection of a multimeter needs to consider several important parameters, including accuracy, annual accuracy, measurement speed, ...[Details]
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On November 7, 2019, the Semiconductor Industry Association (SIA) elected Keith Jackson, President, CEO and Chairman of ON Semiconductor, as its 2020 Chairman and Robert Bruggeworth, President, CEO a...[Details]
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Square wave and triangle wave generator
Connect the square wave and triangle wave generator according to the circuit and parameters shown in Figure 11-2. Figure 11-2 (2) Adjust the potentiometer Rp...[Details]
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In recent years, when technology companies promote new-generation information technology products, data security, data privacy and other issues have been widely criticized. As an important foundat...[Details]
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Today, OPPO announced through its official Weibo account that it has partnered with Pantone to launch the summer limited color "Midsummer Fluorescence" for OPPO Reno 4 Pro, and has also collabo...[Details]
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At the beginning, all experiments were done on the Shenzhou board, and no RTC problems were found. It was not until we drew the board ourselves and debugged it that we found that there was a problem ...[Details]
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The experiment was successful on the Puzhong Technology Development Board. The code is attached below. Since there are comments, I won't waste time. If you don't understand it, you can debug it onlin...[Details]
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Are there different priorities for the various interrupts of the PIC microcontroller?
The mid-range PIC microcontroller has only one interrupt entry, and the hardware does not prioritize it, but th...[Details]
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The ABB robot system key is a technical means used in the ABB robot system to protect its intellectual property and ensure system security. This article will introduce the relevant knowledge of the...[Details]