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A novice looked at the s3c2440init.s startup code and summarized it as follows: 1. Turn off the watchdog 2. Turn off all interrupts 3. Set the clock frequency 4. Initialize SDRAM 5. Initial...[Details]
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1. GPIO port introduction The STC15W408AS microcontroller has 14 I/O ports. All of its I/O ports can be configured into 4 types by software. The 4 types are: quasi-bidirectional port/weak pull-up (...[Details]
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1 Introduction
At present, general-purpose two-trace oscilloscopes such as HH4310A/HH4311A, RS8, etc. do not have storage functions. They can meet the requirements of signal measurement in studen...[Details]
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Direct-drive torque motors can provide higher torque and lower speeds than traditional servo motors. The load can be mounted directly to the motor without the use of a gear reducer. For example, se...[Details]
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In the project, eight data lines were originally used, and there was no problem in reading data. Later, after using sixteen address lines and changing the data width to sixteen bits, the data read ou...[Details]
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After the electroplating rectifier is placed in place at the production site, connect the copper busbar of the rectifier and the reversing switch. The reversing switch needs to be fixed with anchor s...[Details]
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On December 7, Alipay (Hangzhou) Information Technology Co., Ltd. announced a patent for "method, device and equipment for automatic identification of vehicle traffic violations", with the applicatio...[Details]
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1. Experience
As you can see in the previous notes, there are many compilation steps required to compile a simple project. There is only one assembly file in the previous one, but there will b...[Details]
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Huawei whistleblower @长安数码君 released new information about Huawei monitors. He said that Huawei's new monitors have two models, one is positioned as professional office grade, and the other i...[Details]
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Hu Hao, Senior IoT Market Development Manager at Avnet In recent years, the government has been actively advocating the transition from "made in China" to "intelligent manufacturing in China", tha...[Details]
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Improvements in 5G radio signal processing could save $193 million per U.S. fixed wireless access mmWave O-RAN network Mobile Experts study commissioned by AccelerComm shows enhanced LDPC IP can re...[Details]
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On June 4, Shanghai Xinyang issued an announcement stating that the company invested RMB 20 million to participate in the establishment of Hefei Suci Enterprise Management Partnership (Limited Partne...[Details]
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On March 23, State Grid Hunan Electric Power released the results of ultra-high head energy storage-generation technology at Dongjiang Hydropower Plant in Zixing City. Ultra-high head energy storage-g...[Details]
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On March 18, the Party Committee of the State-owned Assets Supervision and Administration Commission of the State Council held an enlarged meeting.
The meeting pointed out that it is necessary...[Details]
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Each linear regulator has its own advantages and disadvantages, and it is ultimately up to the designer to determine whether a certain type of regulator is suitable for the device based on requirem...[Details]
Analog electronics
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