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It's too urgent now, you haven't learned the principle of microcomputer yet!
I don't know the meaning of the control port yet, and there are a lot of things that don't know the principle.
Rest assured that you will be able to learn well if you have this mind now, and there is a very simple thing about single-chip microcomputer.
Now to learn circuits and digital analog electricity, this requires IQ. You'll know it by your senior year.
How important my advice is
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Generally, beginners use the 51 series, hehe, you can go to the ** to buy a development board, remember, the learning of the single-chip microcomputer must be done by yourself, and practice more. Buy a development board for a few hundred dollars, learn and play at the same time, and the progress will be very fast. When you get started, you can try to design the circuit diagram and make the board yourself according to the recommended circuit on the chip manual, but the board making fee is not cheap.
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It is best to bring ISP to read books and buy a set of development boards, do experiments, read books, do experiments, and read books.
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You can also use keil and proteus computer simulations Ah, and then buy a board about 8051.
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Which series of MCUs did you study?
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[1] Li Guangdi et al. Basics of single-chip microcomputer[M].Beijing Aeronautics and Astronautics Press, 2001
2] Wang Dongfeng et al. 100 cases of C language application of single-chip microcomputer[M].Publishing House of Electronics Industry, 2009
3] Chen Haiyan. 51 MCU principle and application[M].Beijing University of Aeronautics and Astronautics Press, 2010
4] Liu Shouyi et al. Fundamentals of single-chip microcomputer technology[M].Xidian University Press, 2007
5] Zhong Fuzhao et al. Design and application of typical modules of 8051 single-chip microcomputer[M].People's Posts and Telecommunications Press, 2007
6] Li Pingping. Introduction and development of single-chip microcomputer[M].China Machine Press, 2008
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The principle of microcomputer, also known as the principle of microcomputer, is a compulsory course for computer majors.
Principles of Microcomputer is a professional basic course, which mainly includes microcomputer architecture, 8086 microprocessor and instruction system, assembly language design, and introduction to various components of microcomputer.
Candidates are required to have a deep understanding of the basic concepts in the principles of microcomputers, to be able to systematically master the structure of microcomputers, 8086 microprocessors and instruction systems, assembly language programming methods, interface circuit design and programming methods of microcomputer systems, etc., and have the ability to comprehensively use the knowledge learned to analyze and solve problems.
A: The bit-addressing area is located between 20F and 2Fh in the data memory. The registers in this interval can be bit-addressed, and they can be bit-manipulated and bit-arithmetic. >>>More
void key0()
if(p1_0!=1) *If the key 0 is pressed. >>>More
Crash, it may be that the on-site interference is too severe. Anyway, even have abandoned chips that don't have internal program memory and EEPROM. The reason is that it is often not a program problem, but a board and PCB design problem. >>>More
To put it simply, it can be like this:
setb k1 ;K1 always works. >>>More
Not at all contradictory. The purpose of each port of the single-chip microcomputer is different, the structure is also different, you say that the current of the LED MA level can make it brighter, which refers to the rated brightness, different power has different brightness, you can't compare the 1 mm patch with the 10 mm one, can you understand? If you want to use LEDs at the P2 port, there are two ways. >>>More