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As a necessary supplement and demonstration method for circuit calculation, circuit simulation plays an increasingly important role in engineering applications. Skillful use of simulation tools can d...[Details]
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Huawei officially confirmed today that it will participate in the MWC 2022 World Mobile Communications Conference, and launched an exclusive page on its official website. Regarding this conference, H...[Details]
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Lesson 12 Section 2.3 Character Device Driver LED Driver_Operating LED (IV) Write a LED driver: 1. Framework 2. Improvement and hardware operation: a. Look at the schematic diagram and determ...[Details]
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Audio has become an essential component of the immersion and realism of the media we consume. Current technology is enhancing the immersion of experiences themselves, making them more lifelike, but...[Details]
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High-power LEDs are increasingly being used in a variety of applications, including automotive lighting, camera phone flashes, stage lighting, venue lighting, night scene lighting, flashlights, b...[Details]
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(Image source: spectrum) For years, experts have viewed solid-state batteries as the ideal next-generation electric vehicle battery technology. This battery uses a solid electrolyte instead of a f...[Details]
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On December 31, 2019, Mianyang High-tech Zone and Changhong Sanjie New Energy Co., Ltd. signed a new energy battery project cooperation agreement in Mianyang. This is not only the final battle of 2...[Details]
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Recently, many people have heard about the next generation of Redmi 8. Some sources say that the name of the phone is Redmi 9, but it has not been officially confirmed. According to 91mobiles, an unr...[Details]
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Wind is a new energy source with great potential. In the early 18th century, a violent gale swept across Britain and France, destroying 400 windmills, 800 houses, 100 churches, more than 400 sai...[Details]
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Nowadays, we can already feel the convenience that the Internet of Things brings to our lives and work. As a trillion-level market, IoT has a very promising future. IoT communications are divided int...[Details]
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When testing loop resistance testers designed according to conventional design principles on site, it is found that there is a common problem: when the voltage wiring loop of the tester has poor cont...[Details]
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With the development of various electric vehicles, the demand for power battery chargers will increase. The quality of the charger is related to the performance and life of the battery, and the int...[Details]
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The RS485 interface has good anti-noise interference performance, long transmission distance and multi-station capability, making it the preferred serial interface for industrial control. The RS485 ...[Details]
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ORG 0000H
JMP A1
ORG 002BH
A1: MOV R0,#0;Data processing register (high eight bits of product)
MOV R1,#255;Multiplicand (low eight bits of product)
MOV R2,#255;Multiplier
MOV 30H,#8;Num...[Details]
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1. Introduction
Microcontrollers generally have internal ROM/EEPROM/FLASH for users to store programs. In order to prevent unauthorized access or copying of the program in the microcontroller,...[Details]
DSP and ARM Processors
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