Using quartus 8.0, the synthesis results may be inconsistent each time. The synthesis display rate can reach 130MHz, but the actual rate is only about 100M. Please give me some advice....
Many domestic companies are actively developing chips, such as Huawei and ZTE Micro in the early days, and Baidu and Cambrian in the current days. According to relevant statistics, between 2001 and 20...
I use the routines in "EVC Advanced Programming and Application Development" to access the database on the PC on the development board. The following problems occur. I hope an expert can give a soluti...
My teacher gave me a protel schematic with a .prj file. But after I changed the 123.sch file I created to 123.prj file, I created several more .sch files under it. How come all the .prj files became t...
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems (GP...[Details]
For a long time, hackers have not had the opportunity to enter the control network of the car. But since the advent of Bluetooth technology and the use of wireless LAN bus systems, this situation w...[Details]
The circuit shown in Figure 1 provides programming voltage for an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a universal power supp...[Details]
When using discrete JFETs, the designer may need to adapt a large number of variable device parameters to a given transistor model. The square law equation is generally used as an approximate mod...[Details]
1 Introduction
A typical application of flyback converter is to provide auxiliary power to IGBT driver in inverter. At this time, the switch tube of flyback converter needs to have relativ...[Details]
1. Introduction
With the development of microprocessor technology and its wide application, some tasks originally completed by the main control computer have been dispersed among the contr...[Details]
At present, single-chip microcomputers have been widely used in electronic products. Many types of single-chip microcomputers have internal
A/D conversion circuits, but the price of such sin...[Details]
1 Introduction
In recent years, in the process of implementing urban and rural
power grid
transformation, the design scheme of low-voltage parallel capacitor reactive power compensatio...[Details]
国内单片机
多机通信
方向技术开发应用已有相当长时间,在智能化仪器、工业自动控制、家用电器机电一体化等方面的应用成果尤为显著。本文介绍
AT 系列单片机
多机通信在程控交换机中应用。
A multi-machine programmable exchange expands 1 to 2 telephone lines into 4 li...[Details]
This circuit is suitable for overcurrent protection of DC power supply, such as various battery-powered occasions.
If the load current exceeds the preset value, the electronic fuse will discon...[Details]
uCOS II is a real-time multitasking operating system with open source, portable, curable, customizable and preemptive. Most of the source code is written in ANSI C, and the parts related to the p...[Details]