[b][font=宋体]1. Application Requirements Analysis[/font] [/b] [font=宋体]With the development of computer industry and the widespread application of computer technology, how to ensure the normal operatio...
I have a recording software under WINCE5.0. I want to change the volume of the MIC during recording, but I have not found any relevant API. I checked the driver and found that there are two AC97 regis...
EDMA3RequestChannel(SOC_EDMA30CC_0_REGS, chType, chNum, tccNum, evtQ); In this function, chNum refers to the number of the requested channel. cc0 and cc1 each have 32 DMA channels, and each channel co...
OMAPL138 Technical Problem Consultation The system design I need to develop now is as follows: 1) The DSP core is connected to the EMIF port to expand the FPGA part. The FPGA controls the sampling of ...
IC Spectrum Co, a Chinese integrated circuit startup, has signed an agreement with Japan's Toshiba to introduce 0.35-micron process technology. This will allow IC Spectrum to start chip foundry work u...
I want to find an expert in embedded LINUX drivers to be my teacher, so that I can learn faster. It is best if he is from Xi'an, but people from other places are also OK. I can help you with the proje...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Single-chip microcomputer is the abbreviation of single-chip microcomputer. It is made by integrating CPU, ROM, RAM, TIMER/COUNTER and input/output interface (I/O) on a large-scale integrated circu...[Details]