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Analysis of technical difficulties
⑴.Use of MMU
MMU is the abbreviation of memory management unit, which is a device used to manage the virtual memory system. MMU is usually part of the C...[Details]
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Chopping is
a current conversion technology in
power
electronic
control
. Its essence is pulse width modulation of DC
control
. Because its waveform is neat an...[Details]
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Experimental requirements:
The internal timer 0 of AT89S52 works in mode 1, that is, it is used as a 16-bit timer and T1 overflows and interrupts once every 0.05 seconds. P1.0~P1.8 of P1 port are con...[Details]
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Embedded systems are widely used in many fields such as industrial measurement and control, smart instruments, and smart homes. With the continuous expansion of the application scope of embedded syst...[Details]
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In order to achieve uniform display effect of OLED and solve the cross effect, the structural characteristics of OLED and the driving characteristics of passive OLED devices are first analyzed, an...[Details]
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The world's first network analyzer 8410A Based on the need to measure RF interfaces and devices, HP invented the first network analyzer 8410A in 1967. The invention of 8410A moved impedance measure...[Details]
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Today's electronic products not only require highly efficient heat dissipation devices, but also must operate in a smaller and thinner space than before. However, smaller cooling fans have to pro...[Details]
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1. Characteristics of 8031 The 8031 chip does not have a program memory ROM. When using it, the user needs an external program memory and a logic circuit 373. The external program memory is mostl...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Transient voltage protection
The AD5422 has internal ESD protection diodes to prevent damage from normal operation. However, industrial control environments can subject the I/O circuits to much h...[Details]
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This design is a scientific calculator based on 51 single-chip microcomputer.
The functions that can be realized include:
(1) Four arithmetic operations (addition, subtraction, multiplication and d...[Details]
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The main suppliers of automotive headlights are as follows: Second echelon third echelon ...[Details]
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1. Introduction
As the application of microcontrollers becomes increasingly widespread, applications in various fields have also put forward higher requirements for microcontroller manufacturers, ho...[Details]
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Shijian won many awards including ADI's "Best Agent of 2022" Recently, Excelpoint, a leading electronic component distributor in the Asia-Pacific region, has received multiple good news. Shijian S...[Details]
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On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]