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From the data sheet, we can know that the CD pin is actually the I/O that controls the switching of commands and data. In the program, we use RS instead of The following figure shows the 8080 paral...[Details]
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In a single-chip microcomputer system, if more keys are used, a matrix keyboard (also called row-column keyboard) is usually used.
1. Structure and principle of matrix keyboard A matrix
keyb...[Details]
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According to Volkswagen's plan, the next-generation Golf, which has been exposed many times, will be unveiled at the Frankfurt Motor Show in September this year. However, there are recent reports tha...[Details]
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The resistivity of a conductor is measured by forcing a current through the sample through one pair of leads and measuring the voltage drop through the sample with another pair of leads to determine t...[Details]
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Next, let's look at turning off the MMU. As for why we need to turn off the MMU, everyone on the Internet has explained it very clearly, so I won't repeat it, but there is the following code for tu...[Details]
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#include "msp430g2553.h"
#define uchar unsigned char
#define uint unsigned int
#define RS_1 P1OUT|=BIT3;//input data
#define RS_0 P1OUT&=~BIT3;//input instruction
#define RW_1 P1OUT|=BIT4;//write...[Details]
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#include reg52.h //C51 universal serial port data transmission and reception C language program module #define uchar unsigned char #define uint unsigned int uchar shu; bit i; sbit led1=P0^0; void d...[Details]
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In the more than 40 years since Moore's Law came into being, people have seen that the level of semiconductor chip manufacturing technology has been improving at a dizzying speed. The highest main fre...[Details]
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On June 5, the Rizhao Aierguang chip packaging project was officially put into production in Rizhao Economic and Technological Development Zone, Shandong. According to the news released by Rizhao Dev...[Details]
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The Internet of Things has become the largest growth point for semiconductor chip applications after the smartphone boom. According to an IDC market analysis report, China's Internet of Things market...[Details]
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On August 26, the "2021 Industry's First Intelligent Vehicle Domain Controller Innovation Summit" hosted by Gasgoo was grandly held at the Ruili Hotel in Shanghai Automobile City. The two-day meeting...[Details]
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PIC16F877A serial port sending and querying methods. It took me a day to find out this. It turned out to be a problem with the serial port chip voltage. The summary is as follows: 1. Pay attention to...[Details]
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Code: /* The sixth example of C language Question: Use the * sign to output the pattern of the letter C. Program analysis: You can first write the letter C on the paper using the '*' sign, and th...[Details]
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According to Jiwei.com, on April 23, the Information Office of the Wuhan Municipal People's Government held a series of press conferences on "965" in action, with the first focusing on Wuhan's compil...[Details]
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If you have a smartphone with WiFi function, have you ever thought about letting your laptop or iPad surf the Internet through your phone? Although there are many ways to share the Internet with your ...[Details]
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