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In the first half of January 2021, the main focuses of global semiconductor-related compliance information include: China's Ministry of Commerce issued the "Measures to Block the Improper Extraterrit...[Details]
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I'm learning how to port uboot recently. I have a long-forgotten MINI2440 development board. The main control chip used in the development board is S3C2440. I checked the uboot version and found that...[Details]
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On May 19, the National Energy Administration released the “Compilation of Typical Cases of Green and Low-Carbon Energy Transformation”.
The "Compilation of Typical Cases of Green and Low-carb...[Details]
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introduction
There is a cable joint approximately every 300 meters of high-voltage power supply cables in cities. In many cases, in order to reduce the difficulty of technology and constructio...[Details]
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From the invention of the camera by Daguerre in 1839 to today in 2019, the development of the camera has gone through 180 years. The early cameras were giant dark boxes and could not be called camera...[Details]
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Recently, according to the statistics of new energy passenger car terminal data, NE Times showed that the installed capacity of power batteries for new energy passenger cars in 2023 will be 326.3GWh (...[Details]
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/******************************************************************* Experiment name and content: PWM speed measurement and display Supporting books: "Introduction to STM8 MCU, Advanced and Appli...[Details]
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1. The S3C2440 storage controller provides signals for accessing external devices, such as NAND Flash, SRAM, NOR Flash, network cards, etc. Features are as follows: — Little/Big endian (selecta...[Details]
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introduction With the development of economy and society, my country's industrial level and information technology level have also developed rapidly. Among them, the most common parts assembly and eq...[Details]
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Steve Hicks, Vice President of Engineering, and Greg Jurrens, Vice President of Sales and Marketing, of FlexRadio Systems, explain how to design the ultimate easy-to-use amateur radio and how advance...[Details]
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In optical communication, it is necessary to accurately measure the intensity of the carrier optical signal in the optical fiber, and the optical power meter is an instrument designed based on this de...[Details]
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Functions of Serial Device Server A serial port server is a communication protocol converter that has two types of communication ports: one is a standard RS232/422/485 serial port, and the remote R...[Details]
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Since the previous version of iOS 14.5.1 had an iPhone slowdown issue, the new version has fixed this, and both the startup speed and GeekBench 5 running scores are back to normal. However, the versi...[Details]
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In addition to EUV lithography machines, the EUV lithography process also requires matching EUV photoresist. Currently, this market is mainly monopolized by Japanese manufacturers. Now Samsung and Ko...[Details]
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In the previous section, when I set up to disable the watchdog, I set WTCON to 0 and masked the interrupt. As shown below:
This section is to mask the interrupt register:
The follow...[Details]