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China introduced high-speed rail in 2008, and by the end of 2014 the network had grown to 16,000 km. It is the largest high-speed rail network in the world, carrying 2-3 million passengers per day. T...[Details]
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Internal interrupt: usually caused by hardware errors or errors in the operation process, which is generally unavoidable; External interrupt: an interrupt request issued by the processor's periphera...[Details]
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1. Access the memory location of the absolute address:
#define pISR_EINT0 (*(unsigned *) (_ISR_STRATADDRESS+0x74))
The above statement casts the unsigned integer _ISR_STRATADDRESS+0x74 to ...[Details]
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1. How to measure DC voltage? A: First, you need to set the coupling mode to DC, adjust the vertical scale to a suitable value based on the approximate range, and then compare the displacement of the...[Details]
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Color filter (CF)
If you use a magnifying glass to observe the LCD panel, you will find that it looks like the following figure. We know that red, blue and green are the so-called...[Details]
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Recently, according to Korean media reports, market research firm Dell'Oro announced the market share ranking of 5G telecommunications equipment in the first quarter of 2020. Among them, Huawei ran...[Details]
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Ports A, B, and K are general purpose I/O interfaces Port E integrates IRQ and XIRQ interrupt inputs Port T integrates 1 timing module Port S integrates 2 SCI modules and 1 SPI module Port M ...[Details]
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1 Introduction
With the development of electronic technology and the progress of society, electronic equipment is becoming more and more closely related to people's work and life. These elec...[Details]
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Test packaged devices using test fixtures Keithley's Model 8010 high-power device test fixture, together with the Model 2651A and 2657A high-power system digital source meters, completes the power se...[Details]
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We increasingly rely on technology to provide us with a sense of security: cameras, emergency phones and even security lighting give us a sense of reliability, letting us know that they are there i...[Details]
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In the world of computers - especially on the Internet - while most Web servers are programmed to do their best to protect their content from being compromised, a single security lapse in a CGI scr...[Details]
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1. Overview of oscilloscope: It is a very important electronic measuring instrument, generally composed of an oscilloscope body and an oscilloscope probe. Marked 150MHz: The effective bandwidth of ...[Details]
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As people's requirements for portable music players increase, MP3 players have won the favor of music lovers with their small size and good sound quality. At first, MP3 files could only be played by ...[Details]
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The VERA-P3 V2X compact module is based on u-blox core intellectual property and enables vehicle-to-everything (V2X) communications technology, helping to improve road safety, traffic convenience and...[Details]
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On November 12, at the opening ceremony and plenary session of the 31st China Society of Automotive Engineers Annual Conference and Exhibition, Li Jun, academician of the Chinese Academy of Enginee...[Details]
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