NXP's LPC3250 has floating-point processor, Ethernet and multi-layer matrix bus, which are very unique, but the operating frequency is only 266MHz. The operating frequency of S3C2440 can reach 400MHz....
If I want to make a simple MP3 player, which audio codec chip is better? Can you list a few more options? And their respective advantages and disadvantages, cost performance, and what is the current m...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] Bluetooth is a short-range wireless communication technology. Electronic devices can be connected to each other through Bluetoo...
I have seen some discussion on the forum before about whether the diode is active or passive. I would like to share the concept here and hope you can share your thoughts. What is the difference betwee...
Does the LM1117 series have a negative voltage? I have a few questions: 1. Is the 1117 series an LDO? 2. Does the LM1117 series have a negative voltage? I don't know much about LDO. 3. I don't know mu...
Now we need to isolate and sample the 0-25V DC voltage with an accuracy requirement of 1%. Due to the price of the Hall voltage sensor
It’s quite high, I hope to change to other isolation sampling met...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]