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1. Why use DMA: To improve CPU efficiency and avoid unnecessary waiting time
2. About DMA controller:
(1) Number of channels: 2440 has 4 channels, 6410 has 4 DMA controllers (select...[Details]
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summary
Robust communication protocols and interfaces play an important role in industrial motor control applications. In industrial drive applications, when multiple processor ele...[Details]
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Recently, a very strange problem occurred in the process of programming based on 51 single-chip microcomputers: "During the program execution, under the conditions of register EA=1, ET0=1, and TR0=1, ...[Details]
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In the teaching of DP801 microcontroller, we often have the problem of where to start. The name of DP801 microcontroller is very unfamiliar to children who are in contact with it for the...[Details]
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introduction
The huge economic and social benefits of the LED lighting industry have given rise to national LED lighting development plans such as Japan's "21st Century Lighting" plan, the Uni...[Details]
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The structure of switching power supply
Commonly used switching power supplies are mainly used to provide DC power for electronic devices. The DC voltage required by electronic devices general...[Details]
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1. When I followed the example to create my own project, there was undefined in the GPIO library file, etc. When we first started learning to create a new project, we should pay attention to Defined ...[Details]
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According to foreign media AndroidHeadlines, a company called "Rollme" recently announced that it will launch the world's first borderless smartwatch. The name of the smartwatch will be Rol...[Details]
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introduction
Frequency hopping communication using MSK modulation has the advantages of concentrated main lobe energy, fast side lobe fading roll-off, high spectrum utilization and strong anti...[Details]
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Aijian (Hong Kong) Electronics M003 - Designed with microprocessor and DRAM upgrades in mind
Of the three models disassembled this time, the M003 is the closest to the iPad in terms of sha...[Details]
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According to statistics, there are about 173 major production bases for new energy passenger vehicles in my country, with more than 10 companies located in Jiangsu, Zhejiang, Guangdong and Hubei, acc...[Details]
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1. Preparation for burning Target board: At91sam9g35K Burn files: bootstrap, u-boot and Linux kernel images Preparation tools: SAM_BA, SecureCRT 2. Burning process 1. Connect the developmen...[Details]
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No matter what microcontroller it is, there is generally a watchdog module. For STM32, it has two watchdogs: independent watchdog (IWDG) and window watchdog (WWDG). Here we will talk about the indepen...[Details]
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Signal source analyzer is a commonly used instrument for measuring crystal oscillators, PLLs, clock circuits, and phase noise. As a comprehensive measuring instrument, signal source analyzer pro...[Details]
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Regarding the claim that fuel vehicles will be replaced by electric vehicles, Lin Changbo, general manager of Dongfeng Liuzhou Motor, bluntly stated that this is not necessarily the case.
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