This is a question that the single-chip beginners are often asked. For this problem, I don't want people to die. Because each microcontroller has its own strengths, it is suitable for the field that can make full role. Learn the microcontroller to learn 51 single-chip microcomputer, learn 51 single-chip microcomputer to learn other microcontrollers, this is the same feeling of learning single-chip people, and is also recognized. Why do you want to learn 51 microcontrollers first? Because 51 monoliths are the earliest, the most extensive application, especially the operation of I / O is very simple, and the relevant learning materials are the most, the textbooks are most mature, and they learn to be worn. With this foundation, I will learn other microcontrollers. It is a dish. It is just to set the register for the chip data manual. It is one or two weeks to master another microcontroller for one month. If you choose non-51 single-chip learning, it will be "The road is long and the road is long, you will be struggling!"
Do you have a class 51 single-chip C language or a compilation language? Of course it is a C language. Because: 1, C language is high-level language, code transplantation is good, easy to maintain; 2. Programming is flexible, as you want; 3, language level is clear, clear thinking, ability to readability. 4, C language is the current most popular single-chip programming language, multi-chip code, easy reference, fast technology development, wide application, and the increasing number of learning groups, this is not open to the KEIL C51 development environment. 5, C language is the public programming language, is the foundation of other programming languages, learn C language, is free to further departure options. The assembly language is the language used in early single-chip learning. The advantage is that the execution instruction is slightly faster than the C language, and the author does not dare to compliment.
After learning 51 Single Chip Microcomputer, you can choose one or more of the following or more of your work or your goal.
1, AVR microcontroller ----- Speed fast, a clock cycle executes an instruction, while a normal 51 single-chip requires 12 clock cycles to perform an instruction. Of course, AT89LP series microcontrollers from Atmel companies are also a clock to perform a directive, but it is not universal. AVR microcontroller is more than 51 single-chip microcomputer, SPI communication module, I2C communication module, PWM module, AD conversion module, etc., but there are more troubles to I / O in terms of C language programming.
2, PIC microcontroller ------ variety, extensive application, in-chip resources are also very popular, and very popular single-chip microcomputer. Compared to 51 single-chip multi-SPI communication module, I2C communication module, PWM module, AD conversion module, etc. The 4 clock cycles perform a directive, the speed seems to be fast than 51 single-chip microcomputer, in fact, the highest clock frequency of the PIC single-chip microcomputer is typically 8MHz, while the 51 single-chip higher clock frequency can reach 33MHz. The PIC microcontroller is not dominant, and anti-interference ability is more slightly larger than 51 single chip. C language programming is more troublesome than 51.
3, MSP430 single-chip ----- 16-bit single-chip microcomputer, fast speed, one clock cycle performs a directive, ultra-low voltage low power consumption, suitable for battery power supply equipment.
4, Motorola microcontroller ----- anti-interference ability is very strong, suitable for harsh environments, which is at the expense of reducing speed.
5, DSP technology ------ For audio, video, communication, etc. Fast digital processing, speed is super fast, and programming algorithms are more complicated.
6, FPGA technology ------ Difficulty and single-chip machines are similar, and the application field is gradually wide.
7, embedded system ----- Applied to complex intelligent control systems other than non-PC control, as well as smart communication equipment, handheld computers, learning equipment, entertainment equipment, etc., the application areas are also wide. The difficulty of learning is also large, requiring knowledge of operating systems, hardware, driving principles, etc. The cottage version of the mobile phone, the handheld computer, etc. Full street is full of embedded systems.
8, other microcontrollers, such as Texas Instrument MCU, Hetai MCU, NEC single-chip microcomputer, etc.
To say which single-chip microcomputer is the most promising, the author does not dare to add a say. Regardless of that one, the future is deeper than the depth of your life, it is escaped, not precious.
Original link: https://www.eeboard.com/news/danpianji/
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