[i=s]This post was last edited by Zeng in on 2015-2-8 13:17[/i] My poor English foundation is really a flaw. I won’t mess around anymore and ask everyone. This is the IO configuration of the fr59 SPI ...
First question: What is the structural relationship of the 6 cores of 6472? I don't know whether it is SMP architecture or SMP+master-slave configurable architecture. I looked in the manual but it did...
In UNIX, an inode (index node) is a structure that contains unique meta-information about a file. A file may occupy multiple physical blocks, but there is only one inode for each file, which contains ...
The platform is Samsung 2440, and the DAC is CS4344. The basic parameters are as follows: sampling rate 44.1KHZ, mono, master clock 384fs. Serial bit clock of 32fs. The sclk, cdclk, and lrclk clocks m...
Hello everyone: When I was programming a CAN card driver, I wanted to clear the interrupt bit, so I wrote this statement: recv_flag = peekb(address, 3); It worked fine and the interrupt bit was succes...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]