After opening a QuartusII project, first set it up as shown below. Step1: Settings->EDA Tool Settings->Tool name, select ModelSim [url=http://img.blog.163.com/photo/M2sOWi-tPtqGbnDLzjW9AQ==/4014396117...
Does anyone have a blank PCB for AD9854? I already have the chip! So I don't want a module with the chip integrated (don't have a MCU integrated on the board). I want to buy a board. You can add QQ: 9...
The information after linking is:3 474 bytes of CODE memory121 bytes of DATA memory (+ 21 absolute )1 796 bytes of CONST memoryThe result is incorrect after programming. The phenomenon is abnormal. I ...
[i=s]This post was last edited by dontium on 2015-1-23 11:09[/i]I believe everyone is clear about the parameters of the Hammer phone. It uses a 4.95-inch 1080P screen, Qualcomm Snapdragon 801 2.5GHz p...
Here is the TQ2440 linuxPDA source code, including adc, beep, button, colour, gps, led, input method library, you can download it if you need it. Guangzhou Tianqian provides learning source code for r...
As shown in the figure, after the PCB4 layer board selects to display the power layer, what is the meaning of the circle around the via (indicated by the red arrow in the figure)...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]