9 Direct Memory Access 9 [font=宋体]Direct Memory Access (DMA) [/font] The processor uses Direct Memory Access (DMA) to transfer data within memory spaces or between a memory space and a peripheral. The...
With the rapid development of Internet of Things technology, radio frequency identification technology (RFID) has achieved great success in the production process of various fields. RFID technology is...
When we are wiring PCBs, we always face the situation that there are two or three kinds of ground on a board. The fool-proof way is to cover the whole board with copper as long as it is ground. This i...
Only a simulated serial port link can be established through socket. I hope to directly obtain the data of the l2cap layer and send and receive Bluetooth data at the l2cap layer. According to the docu...
[img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\360544614\QQ\WinTemp\RichOle\VUFT5H[I$X4%)U6QD9{@AU8.png[/img]The circuit is as shown in the figure, which generates a high voltage of...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
Since the emergence of electronic system noise reduction technology in the mid-1970s, the Federal Communications Commission of the United States in 1990 and the European Union in 1992 proposed regu...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
UPS is an uninterruptible power supply (UPS). This device can ensure that after a power outage in the computer system, users can continue to work for a period of time and save files urgently, witho...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]
In the field of video surveillance, video compression encoding formats have evolved from M-JPEG, H.263, MPEG4 to H.264. Currently, H.264 is the mainstream compression algorithm. Its biggest advantage ...[Details]
Binary translation is a technology that directly translates executable binary programs, and can translate binary programs on one processor to execute on another processor. It makes it easy to...[Details]
Usually, indoor lighting is controlled by a switch button. This article introduces a self-controlled lighting circuit, which does not require manual operation, is energy-saving and convenient, and is ...[Details]
1. Introduction
The human balance ability is the basis for people to carry out various sports. People need balance ability to stand, sit, lie down, and walk. Once a person's balance ability is...[Details]
DSP and ARM Processors
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