I am working on a project about H. 264 encoding, which is based on the DM642 platform!!! Now I want to ask what optimized algorithms are there to make D1 format video reach real-time! Thank you!!!...
Hello everyone, I recently used keil4 to study the ATSAM3S2C chip. I need to use malloc to dynamically apply for space size, but the call always fails. The problem is that the stack is set too small. ...
The board is a self-made CPU minimum development board, with only CPU+RAM+FLASH. The CPU is PXA270, and the flash chip is Intel's 28F128J3A, connected to nSC0 chip select. Memory situation: Memory: 64...
For example, PWM outputs a DC level through an RC low-pass filter. How do I select the RC parameters? What is the relationship between the RC parameters and the PWM frequency? Please advise...
The serial clock SCL and serial data SDA of the PROM are connected to the master MCU and then connected to the SCL and SDA of the clock IC. What does this mean?...
Original article by Mr. Gaosu | Jiang JieThe price of memory sticks tripled in half a year. The memory sticks that were teased by Duanyou as the "best financial product of the year" in 2017 are still ...
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[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]
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]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
Brain-computer interface (BCI) is a novel human-computer interface method. It is defined as a brain-computer (computer or other device) communication system that does not rely on the normal output ...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
Embedded System
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