Xilinx is one of the largest FPGA/CPLDmanufacturers. Its design and development software is constantly upgraded and has developed from the Foundation series to the current ISE 5.x series. ISE ( Integr...
:Cry::Cry: I have been working on this for a few days. I want to realize the basic functions, lock the phase and frequency. I will be satisfied if the input is about 250HZ and it can be locked. Please...
Actual combat! In this section, we will explain the functions of the SCAN user driver subroutine for the EASY-M0806R PLC. Through the previous explanation, you should know that SCAN is a program calle...
I am now using FPGA to make an ICX274CCD driver with AD9949. The problem is the dual sampling SHP SHD in AD9949.By default, SHP = 0X24 SHD = 0X00, but I always feel that it is not right. I think SHP =...
[size=3]This March is not only a month of flowers and grass, but also many surprises waiting for you! Don't believe it? Read on! [/size]{:1_125:}[size=3] [/size] [size=3]Keysight launched an essay con...
[size=4] When using the 6722 chip in QFP package, an embarrassing problem is that the 6722 has only 12 external address lines, and the addressing capacity is 2^12=4096, which is 4K 32-bit words. This ...
The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
Preface
In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[Details]
In the current international financial crisis, video surveillance is one of the few industries that has grown against the market trend. Market research firm ABI Research predicts that in 2009, two ...[Details]
0 Introduction
As a major component of intelligent transportation, vehicle navigation and positioning has become a research hotspot recently . With the global positioning system (GPS) being u...[Details]
The power management system of a netbook can be divided into the following parts: 1. Battery charging and management; 2. CPU processor power supply; 3. System 5V/3.3V power supply; 4. I/O and graph...[Details]
Internet radio is becoming a new bright spot in the consumer electronics market, because it truly realizes high-definition listening in any environment around the world. Compared with traditional r...[Details]
0 Introduction
With the rapid development of the microelectronics industry, intelligent controllers controlled by single-chip microcomputers are widely used in electronic products. In orde...[Details]
Wet etching is the traditional process for removing sacrificial materials from MEMS devices. Point 35 Microstructures, headquartered in Scotland, launched a dry etching module and oxide release techno...[Details]
1 Introduction
With the continuous progress of modern power electronics technology and the development of information technology, inverter power supplies are increasingly widely used in ma...[Details]
1 Introduction
The C8051F series single-chip microcomputer is a fully integrated mixed-signal system-level device (SOC) of Cygnal Company. Its CIP-51 core runs at a speed of up to 25 MI/s....[Details]
introduction
In modern society, portable systems (such as mobile phones and personal media players) are evolving into comprehensive multimedia and communication systems. New applications, ...[Details]