I use all L2 as SRAM and configure L1DCACHE to 32k. Here are the questions: If I need to read 16384 float data (that is, 65K bytes) from shared memory for processing, I should invalidate the cache of ...
This is the first time I have come across the term wince. Now I want to get into this field. May I ask the seniors how I should proceed? Thank you. I hope you can point out a clear path. Thank you!...
Now my CAN module has implemented interrupt reception, but there are always problems with sending. Sometimes it succeeds, sometimes it fails (the receiver is Zhou Ligong CAN simulator, used with a com...
Why is it said that parallel circuits have a shunting effect? What I don't understand is: after adding a new resistor in parallel to the original load resistor, the current of the original load resist...
I personally think this paragraph about CRC calculation method is easier to understand. I copied it from the book Computer Networks Fifth Edition P68-P80 for future reference. [img]http://blog.21ic.co...
As the whole equipment is constantly miniaturized and power-saving, low-power-consumption low-dropout linear regulators (LDO) are becoming the mainstream of the linear regulator market for switching p...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Today, various applications such as consumption, computers, industry and instruments urgently need compact and effective power solutions, while also meeting the requirements of efficiency, fast tra...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[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 third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
For mobile phone products, using low-cost components in design is only the first step to make the price competitive. The cost of the production process, especially the cost incurred during the fina...[Details]
Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
introduction
The latest embedded designs enable a multitude of complex new products and services across a wide range of industries and applications. Driven by shrinking cost constraints an...[Details]
0 Introduction
μClinux is an operating system for embedded control. It inherits most of the features of the Linux kernel and is designed for embedded microprocessors without a memory manag...[Details]
1 Introduction
With the improvement of people's living standards, people pay more and more attention to their physical health and are eager to find a simple and portable diagnostic and tre...[Details]
Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]
Modern people are paying more and more attention to personal and property safety, which has led to the rapid rise of the video security surveillance market. Based on the attention to this market an...[Details]