How to delete the device number automatically assigned by proc/devices [root@localhost chdev_test]# cat /proc/devices Character devices: 1 mem 4 /dev/vc/0 4 tty 4 ttyS 5 /dev/tty 5 /dev/console 5 /dev...
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]liudanwei[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and ...
The concept of "entry": being hired by an employer during recruitment, and having an internship salary of more than 2k in Shanghai. I am now a junior in college, majoring in microelectronics, and I wa...
Methods to reduce the quiescent current of the reverse power supply: 1. Use a high-frequency front stage. 2. Ensure that the duty cycle of the high frequency of the front stage is large....
Radio Frequency Identification (RFID) technology is a contactless automatic identification technology that uses radio frequency signals to read and write relevant data from target objects to achiev...[Details]
Until now, designers have faced a trade-off in ADC selection. Pipeline converters offer high resolution and wide dynamic range, but their power consumption is quite high. The alternative, discrete ...[Details]
No other sector is feeling the pressure for change more acutely than the healthcare industry. Healthcare organizations and services are desperate to reduce costs, but the challenge is to do so without...[Details]
As FPGAs incorporate more and more capabilities, the need for effective debugging tools will become more critical. Careful planning for internal visibility will enable teams to adopt the right debuggi...[Details]
As a single-host multi-slave bus system, the number of slave devices that can be connected to a 1-Wire bus is almost unlimited. In order to avoid logical conflicts, the 1-Wire bus interfaces of all...[Details]
Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
Preface
Phase-modulated pulse signals can achieve a large compression ratio. As a commonly used pulse compression signal, they are widely used in modern radar and communication systems. Wi...[Details]
Complex circuits and 3D EM simulation tools have reached a point where complex system-level behavior can be simulated before fabrication. Performing EM simulations simultaneously with circuit simul...[Details]
System Introduction
EraSoC-1000 series chips are high-performance SoCs (System on Chips) based on the Loongson core. With their powerful CPU processing capabilities, 64-bit floating-point ...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
Embedded System
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