PXA270, eboot is not written by myself. The image compiled by myself can be executed directly in memory, but it does not execute from Flash. Why? ? help me! Serial port output: INFO: FlashWrite: flash...
Although I have been studying power circuits for two or three years, this event still gave me a deeper understanding and learning of power supplies, especially Nano Easy Power. I personally think that...
The provincial competition is coming soon. Considering that FPGA will probably be used in the provincial competition, and I only have an EP4C6 learning board on hand, I definitely cannot use the learn...
In the "New Energy Vehicle Industry Development Plan (2021-2035)" (Draft for Comments) issued by the Ministry of Industry and Information Technology, it is proposed that by 2025, the sales volume of n...
[b][color=#ff0000]Rectangular[/color][/b] wave peak detection: required frequency 10Hz~2Mhz, amplitude [color=#ff0000]0.1V~10V. I'm looking for experts to take a look. Urgent!...
[size=3][url=https://www.eeworld.com.cn/huodong/FUJITSU_FRAM_20180517/][color=#000]Download Fujitsu related information and experience the powerful functions of Fujitsu's three major memories. Not onl...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[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]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]