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I remember one time I applied for an ARM-Linux software engineer position. I was asked how virtual memory is managed in ARM. Since I only knew about MMU in X86 platform, I was stumped. It turned out ...[Details]
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Modern technologies such as multiple-input multiple-output (MIMO) require wide bandwidth, phase consistency, and multi-channel analysis. The antenna elements in a MIMO radar system operate independen...[Details]
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After three years, the 23rd China International Expo (CIIF) returned to the National Exhibition and Convention Center (Shanghai) from September 19th to September 23rd! With the theme of "Carbon Rec...[Details]
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Here is the simplest serial port program. Add 2440lib.c. The program is as follows:
#include "2440addr.h"
#include "Option.h"
#include "def.h"
unsigned int PCLK;
extern void Uart_Printf(cha...[Details]
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A team of engineers at the University of Illinois (UI) has come up with a polymer-based solid electrolyte that is not only self-healing but also recyclable without the need for high temperatures. By ...[Details]
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#0Use of development tools ##0.1Install keil4 Find mdk411.rar in the compressed file of arm data 1, unzip it, and double-click MDK411.exe to install it ##0.2 Run MDK411.EXE to install ##0.3 Sel...[Details]
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In the communication system, due to the presence of a large amount of noise and interference in the channel, there is a difference between the received code and the transmitted code after the chann...[Details]
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According to foreign media reports, South Korean electric vehicle supercharging station manufacturer Chaevi plans to build an ultra-high-speed charging network in the United States and cooperate with...[Details]
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RAM Random-Access-Memory, random access memory, readable and writable, is divided into SRAM and DRAM, namely static random access memory and dynamic random access memory. In terms of understanding,...[Details]
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China Energy Storage Network:
The Ministry of Industry and Information Technology and eight other departments jointly issued the "14th Five-Year Plan for Intelligent Manufacturing Developme...[Details]
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1. What is digital power supply? What is the essential difference between digital power supply and analog power supply?
The essence of the so-called digital power supply is that the PWM regula...[Details]
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Earlier, there was news that Hongqi revealed the news of the "Hongqi customized version of Huawei P40" when warming up the new car. Recently, a poster suspected to be the Hongqi customized version of...[Details]
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On January 24, 2022, the Ministry of Industry and Information Technology officially announced the "List of Excellent Industrial Internet APP Solutions in 2021", and Advantech's "WISE-Insight APM Digi...[Details]
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Vitesco Technologies, a leading company in powertrain technology and electrification solutions, has begun to market its highly integrated electric axle drive system (EMR3) for Dongfeng Passenger Vehi...[Details]
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OLED displays are solid-state devices made of thin sheets of organic molecules that emit light when electricity is applied. OLEDs allow electronic devices to produce brighter, clearer images while co...[Details]
Analogue and Mixed Signal
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