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1. Where does vertical noise come from? The vertical noise of an oscilloscope mainly comes from two aspects: 1. Noise of analog front-end circuit: This includes attenuation circuit noise, buffer ci...[Details]
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A relatively detailed analysis of the connections between S3C2440 and SDRAM, Nandflash, and Norflash.
Analysis of the address connection between S3C2440 and SDRAM S3C2440 has 27 address lines ...[Details]
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Driven by the peak season stocking, the demand for TV panels in the third quarter of this year was very strong, far exceeding the production capacity of panel manufacturers; at the same time, panel m...[Details]
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On Tuesday, US time, a large number of users reported that Apple services had problems again, and the day before, Apple's servers had completely crashed for several hours. Just one day later, Ap...[Details]
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PWM is pulse width modulation, which can be used to output a square wave with a certain duty cycle. LPC1788 has two PWMs, each of which can have 6 outputs, PWM1~PWM6. The following describes h...[Details]
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Qianshi's lightweight NDI EFP box-mounted program production system adopts a full NDI IP architecture. While meeting the professional-grade quality requirements of radio and television, it al...[Details]
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Sisvel recently announced that more than twenty companies are currently participating in the preparation of the LTE/SAE (Long Term Evolution/System Architecture Evolution) patent pool promoted by i...[Details]
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This is the assembly source file: MCU：S3C2440（arm920T） Code to light up a small LED lamp .text .global _start _start: ldr r0,=0x56000010 @GPBCON mov r1,#0x00000400 @ ...[Details]
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The CEO of foundry GlobalFoundries said the company is preparing for an initial public offering (IPO). As demand for chips for mobile phones, cars and connected devices continues to increase, a stock...[Details]
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The principle of BBE high-resolution sound
processor
is to output the high, medium and low frequency signals of the signal source through high-pass filter, band-pass filter and low-pass f...[Details]
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Circuit Diagram:
code show as below:
#include reg51.h
void delay();
main()
{
while(1)
{
P1=0;
delay();
P1=0x0ff;
delay();
}
}
void delay()
{
int i,j;
fo...[Details]
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The frequency of the power system reflects the balance between the active power generated by the generator set and the active power required by the load. High-precision and high-reliability frequency...[Details]
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Serial communication The serial port plays two roles, one is data transmission, and the other is to act as a console. Serial communication is divided into synchronous and asynchronous, and we usually...[Details]
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After a series of dazzling operations such as name change, senior management replacement, and equity changes, Wuhan Hongxin suddenly cancelled its business license on June 29 this year, with the reas...[Details]
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introduction
With the continuous development of society and economy, environmental and resource issues are becoming increasingly prominent. It is estimated that by 2020, the total annual w...[Details]
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