The chip can work normally, but the 27M passive crystal oscillator has only one output pin to start oscillating, and the input pin is 0 level. My oscilloscope is 200M, so there should be no problem....
A project using STM32 series chips (specific models to be selected) provides basic framework source code and device drivers , such as LED screen, Bluetooth needs to write some functional operations. R...
I need to complete a very simple small design for school, and I would like to ask a few questions. It is to use an Arduino UNO board and L298 Motor Shield, plus 2 motors, to realize the forward and ba...
According to statistics, since 2004, the output value of global embedded system products has
Reaching 200 billion US dollars, in the composition of China's software sales revenue, embedded software sa...
[font=Microsoft Yahei, Hei, Tahoma, SimHei, sans-serif][color=#333333][size=20px]TMS320C6713 DSP is a C6000 series DSP chip launched by TI of the United States in 1997. It is a 32-bit high-speed float...
Moderator and all the experts:I have a question that I would like to ask for your help. Although this question has appeared many times in the forum, I still don't understand it clearly. Is it necessar...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
