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The conventional use of D flip-flops is generally as frequency dividers, counters or shift registers. However, as long as the peripheral circuits of the D flip-flops are improved, according to their...[Details]
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Xinhua News Agency, Beijing, August 18th, Title: More than 100 companies brought more than 500 exhibits to "show off" high-tech and sophisticated technologies - On-site observation of the 2022 Worl...[Details]
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On the oscilloscope panel, the most prominent function key, apart from the knob, should be the trigger button. For oscilloscope users, the trigger is also the most frequently used button. There is a ...[Details]
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Oscilloscope function 1. The oscilloscope can measure the voltage amplitude of AC and DC signals; 2. The oscilloscope can also measure the period of the AC signal and use it to calculate the fr...[Details]
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Initialization process of memlbock The second stage is to build the memblock Management scope of memblock ATAG_MEM or ATAG_CMDLINE mem=size@start The management scope of memblock is determined ...[Details]
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Taking arm as an example, let's analyze the kernel startup process;
Kernel version: linux-3.2.tar.gz
一、arch/arm/kernel/head.s
.arm
__HEAD ...[Details]
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include
status equ 03h ;2004/4/28
rp0 equ 05h ;
z equ 02h ;1-2-3-9-1
pcl equ 02h
portd equ 08h
trisd equ 88h
mm equ 20h
Count equ 22h
Count1 equ 23h
Count2 equ 24h
org 10
star...[Details]
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Today (23), according to Huawei's official website, the Huawei Kunpeng Computing Industry Development Summit was held in Beijing. Huawei's rotating chairman Xu Zhijun said that in order to support ...[Details]
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When the 1X mode is selected, the signal enters the oscilloscope without being attenuated. When the 10X mode is selected, the signal is attenuated to 1/10 before entering the oscilloscope. When...[Details]
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In parks or scenic spots, there is often broadcast background music, which I believe everyone is familiar with. The background music of scenic spots is to cover up the noisy noise and provide touri...[Details]
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The heavyweight mobile phone launch conference of 2021 is coming to an end, and many people are beginning to turn their attention to the new devices that will be launched in the first half of 2022. I...[Details]
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Integrated Circuit Basics and Applications
Integrated circuits are divided into two major categories: analog and digital, according to their different functional uses. The speci...[Details]
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In the fields of radar signal processing and digital image processing, the real-time performance of signal processing is crucial. Due to the advantages of FPGA chips in the underlying algorithm pro...[Details]
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1. Introduction
:
Figure 1: Schematic diagram of car entry control
PHILIPS's P89C58 is based on the 80C51 core and is designed and manufactured using...[Details]
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Circuit diagram Parts list Program (C language) #include reg51.h sbit p3_0=P3^0; sbit p3_1=P3^1; sbit p3_2=P3^2; sbit p3_3=P3^3; void delay(unsigned char i); void main() { unsigned char ledct...[Details]
FPGA/CPLD
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