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1. Interrupt system of S3C2440
1.1 7 modes of S3C2440
User mode (usr): the normal program execution state of the ARM processor Fast interrupt mode (fiq): used for high-speed data transmis...[Details]
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1. Protocol decoding Manually decoding a serial bus based on an oscilloscope waveform display is time-consuming and error-prone. In this relatively simple I2C signal, there may be a problem. Can yo...[Details]
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Introduction to single-chip microcomputer Single-chip microcomputer: A microprocessor (CPU), memory (ROM and RAM), I/O interface, timer, interrupt system and other circuits are integrated on an integ...[Details]
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The automotive industry is undergoing unprecedented changes. Innovation in intelligent electrification is accelerating. The vehicle replacement cycle that used to last more than three years has been ...[Details]
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October 30 , 2023 – Mouser Electronics, a global authorized agent of electronic components and industrial automation products focused on introducing new products, will now supply Laird Connect...[Details]
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Instrument design engineers always use various electromagnetic components in their instruments. The selection of these precision components has a great impact on the realization of the functions of...[Details]
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On August 31, according to foreign semiconductor observation media semimedia, at the recent BMO Virtual Technology Summit, Micron Technology responded to the media and stated that the company will no...[Details]
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LG's upcoming smartphone will be called "LG Velvet," breaking with its tradition of adopting alphanumeric names for its devices, the company announced that the new device will adopt a familiar...[Details]
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According to news on January 17, the MIPS technology licensing contract dispute that lasted for nearly three years between Loongson Zhongke and Xinlianxin recently came to an end - Loongson won a big...[Details]
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Huawei EMUI’s official Weibo account has just announced that from now on, Huawei EMUI’s official Weibo account will be officially renamed HarmonyOS. Today, Huawei Technologies Co., Ltd. a...[Details]
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According to foreign media reports, driven by the faster-than-expected growth rate of 5G users in China, Ericsson has raised its forecast for the number of global 5G users this year. ...[Details]
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Before starting the second part of the voltage test, insert a section Interlude A: How to select the jack of the multimeter probe in different gears First, let's take a look at the holes that can be ...[Details]
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1 Introduction
In the process of designing and debugging automatic control systems, sine waves, triangle waves and square waves of different frequencies are often used as signal sources, which ...[Details]
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Circuit diagram of using feedback to improve the linearity of optocoupler devices
In (a), D1 is in the feedback path, and the current flowing through D1 is strictly linear with V1. The disadvant...[Details]
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The transportation sector is a key area for achieving energy transformation. The electrification of automobiles is thriving worldwide and is also developing in Asia. Electric vehicles powered by el...[Details]