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2021 is a special year for the electronic components industry, in which suppliers, distributors and customers have encountered many unprecedented challenges. However, it is these challenges that brin...[Details]
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The so-called enhancement or depletion mainly refers to the inversion layer in the MOS tube. If the inversion layer does not exist when there is no power, and the inversion layer appears after the vo...[Details]
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STATUS EQU 3H FSR EQU 4H RB EQU 6H RC EQU 7H OPTIONA EQU 81H TRISB EQU 86H TRISC EQU 87H GENR0 EQU 053H GENR1 EQU 054H WD_RG EQU 055H DA_AG0 EQU 056H ;SEG0 SEG1 DA_AG...[Details]
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I2C Bus Features 1. I2C bus is a serial bus introduced by Philips 2. It has a multi-host system (can be connected to many devices: such as STM8, radio, etc.), a high-performance serial bus with bus...[Details]
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1. Preparation work 1.1 Schematic diagram CONFIG_DM9000_BASE The chip select signal is connected to the nGCS4 pin. To determine the base address of the network card, it must be determined acc...[Details]
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In addition to understanding the internal functions, storage space allocation and I/O interface of the MCU, you should also master its instruction system when learning MCU. MCS-51 has a total of 111 i...[Details]
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Project Overview 1.1 Project Background An oscilloscope is an electronic measuring instrument that can display the dynamic waveform of a voltage signal. It can convert a time-varying voltage signal i...[Details]
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#include
void TIMED(unsigned int x );
main()
{
unsigned int clac = 0xff;
while(1)
{
P0 = clac;
clac--;
TIMED(300);
}
}
void TIMED( unsigned int x)
{
unsigned...[Details]
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Wind energy, solar energy, biomass energy, nuclear energy... Nowadays, various new energy sources are emerging one after another, and many energy companies have also invested in the development and ut...[Details]
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OPLC (optical fiber composite low-voltage cable) realizes the access of electric fiber to the home, and makes full use of the "last mile" resources of the power grid by using low-voltage cable lines ...[Details]
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The single chip microcomputer source program for controlling the 28BYJ-48 stepper motor driver is as follows: #include reg52.h #include intrins.h unsigned char CCW ={0x80,0xC0,0x40,0x60,0x20,0x...[Details]
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Many years ago, when I started to study signal integrity, I also had this question. As I got to know more about signal integrity, I stopped thinking about it. Later, during the product develop...[Details]
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First calculate the desired time, basically *P_TIMEA_Data = 0xffff-the time frequency you want. Then *P_INT_Ctrl = allow the corresponding interrupt to allow receiving interrupts, then __asm();
Then ...[Details]
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RT9248 application circuit:
The RT9248 is a multi-phase buck DC/DC controller integrated with all control functions for GHz CPU VRM. The RT9248 controls 2 or 3 buck switching stages operatin...[Details]
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On October 23, Cao Xin, deputy secretary of the Party Committee and general manager of Hebei Construction Investment Group, met with Wang Shuhui, secretary of the Party Committee and chairman of Yu...[Details]
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