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　　In the previous two classes, Pi Ziheng introduced two typical input files in embedded development: source files (.c/.h/.s) and link files (.icf). Pi Ziheng is going to ask again, are there any inpu...[Details]

When measuring ultra-low jitter devices and equipment, engineers must always ask the question: Is the measured value from the DUT (device under test) or from the test equipment? Engineers are also ...[Details]

　　1 PICl6LF874 microcontroller 　　The PICl6 series of microcontrollers adopts a Reduced Instruction Set Computer (RISC) structure, breaking through the natural structural dependence of traditional mic...[Details]

HMD Global, the company behind Nokia-branded smartphones and feature phones, had a good start in 2017, but as time went on, the company was unable to keep up with the stiff competition. In the fourth...[Details]

1. Introduction In recent years, with the rapid development of mobile phone technology and the continuous increase in functions, people's use of mobile phones is no longer limited to traditi...[Details]

This article introduces the basic concepts, history and development, basic classification, technical indicators and basic functions of logic analyzers, and introduces the differences and conn...[Details]

There are several methods for allocating space for variables in C51. 1. The data area has a small space, so only variables that are frequently used or require high computing speed are placed in the d...[Details]

Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide a ...[Details]

/*  *  __flush_dcache_all() *  Flush the wholeD-cache.  * Corrupted registers: x0-x7, x9-x11  */ ENTRY(__flush_dcache_all) // Ensure the order of previous memory access instructions   ...[Details]

Basic application circuit of MAX680 The basic application circuit of MAX680 is shown in the figure, with 4 external capacitors C1-C4, the standard capacity is 10UF, if the output resistance of ...[Details]

Chips have entered the Age of Convergence. From driverless cars to virtual reality, from artificial intelligence to cloud computing, from 5G to IoT, many driving forces are jointly pushing semiconduc...[Details]

       Honor officially released an invitation letter on its Weibo account, announcing that it will hold a press conference on July 15. The new products will be new categories that Honor has not touc...[Details]

In recent years, radio wave wireless charging technology represented by RF (radio frequency) has attracted widespread attention because it is closest to people's expectations for wireless charging of...[Details]

    Nowadays, car users are paying more and more attention to fuel consumption and hope to save fuel expenses, which can also help reduce the impact on the environment. In order to cope with this tre...[Details]

Let's continue to look at the domestic power battery industry structure. Ningwang and BYD continue to lead the way. Of course, due to the impact of the overall industry growth rate, the growth rate...[Details]