SL1280002_14

The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]

I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]

Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]

    1. Introduction to MC68K CPU     The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]

　　As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]

When Amazon quietly launched a product called Elastic Computing Cloud 12 years ago, the Internet industry in China, across the ocean, also ushered in an unprecedented development opportunity. Let's...[Details]

Program ideas and defects reference: 51 single chip microcomputer (AT89C52) matrix keyboard detection program #include iom16v.h   typedef unsigned char uchar;   typedef unsigned int uint;   #define ...[Details]

The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs.  Question supplement: The 8051 single-chip microcomputer is used, an...[Details]

Manually assemble the following program machine code and analyze the execution function of the program segment.       CLR A       MOV R2, A       MOV R7, #4 LOOP:      CLR C       MOV A, R0       RLC...[Details]

A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]

Design a second and minute pulse generator for a single-chip microcomputer using the interrupt method. Assume that P1.0 generates a positive pulse of one machine cycle per second, and P1.1 generates ...[Details]

It is required to use timer/counter 1 for timing, with a timing of 1 second; timer/counter 0 for counter, and the external pulse to be counted is connected from P3.4 (T0). The microcontroller will co...[Details]

;The hardware connection circuit of the 51 single-chip microcomputer is as follows: ;P1.3 and P1.4 are each connected to a button; ;P0.0 and P0.3 are each connected to a light-emitting diode; ;P2.0~P...[Details]

1. Pin: 0 in 1 out  Set Status  Output status IO register setting          DDR×A certain bit is set to 1, and the corresponding bit IO is set to output;          PORT×A certain position is 1/0, and t...[Details]

I have been deeply affected by serial ports since 51. The MAX232 I bought from Huaqiang was originally broken. I thought there was something wrong with my circuit or schematic. Since there was no goo...[Details]