ATMEL's AVR microcontroller is an enhanced RISC microcontroller with built-in Flash. The Flash memory on the chip is attached to the user's product, and can be programmed and reprogrammed at any time, making it easy for the user to design the product, and convenient for updating and replacing the product. AVR microcontrollers use an enhanced RISC structure, so that it has a high-speed processing capabilities, in a clock cycle can be executed complex instructions, per MHz can be achieved 1 MIPS processing power. AVR microcontrollers operating voltage of 2.7 ~ 6.0V, power consumption can be optimized. AVR microcontrollers are widely used in computer peripherals, industrial real-time control, instrumentation, communications equipment, home appliances, aerospace equipment and other areas.
Motorola microcontroller:
Motorola is the world's largest microcontroller manufacturer. Starting from the M6800, the development of a wide range of varieties, 4-bit, 8-bit, 16-bit 32-bit microcontrollers can be produced, of which the typical representative of: 8-bit machine M6805, M68HC05 series, 8-bit enhancement of M68HC11, M68HC12, 16-bit machine M68HC16, 32-bit machine M683XX. One of the characteristics of the Motorola microcontroller is that the clock frequency used at the same speed. One of the characteristics of the Motorola MCU is that the clock frequency used in the same speed is much lower than that of the Intel class MCU, thus making the high frequency noise low, anti-interference ability, more suitable for industrial control fields and harsh environments.
MicroChip microcontroller: MicroChip microcontroller is the main product of the PIC 16C series and 17C series of 8-bit microcontrollers, CPU RISC structure, respectively, only 33, 35, 58 instructions, using the Harvard dual-bus structure, fast operating speed, low operating voltage, low-power, larger input and output direct drive capability, low price, low power, and more suitable for industrial control areas and harsh environments. Low price, one-time programming, small volume. Applicable to large quantities, low-grade, price-sensitive products. In the office automation equipment, consumer electronics, telecommunications, communications, intelligent instrumentation, automotive electronics, financial electronics, industrial control of different fields have a wide range of applications, PIC series microcontroller in the world microcontroller market share rankings increased year by year. The development is very rapid.
MDT20XX series microcontroller:
Industrial OTP microcontroller, Micon production, and PIC microcontroller pin is completely consistent with the Haier Group's refrigerator controller, TCL communications products, Changan Alto Suzuki car power distributor on the use of such a microcontroller
EM78 series of OTP-type microcontrollers: Taiwan Yi-long Electronics Co. Ltd., a direct replacement for the PIC16CXX, pin-compatible, software convertible.
Scenix microcontroller: Scenix launched the 8-bit RISC structure of the SX series of microcontrollers and Intel's Pentium II, etc. together by the & lt; & lt; Electronic Industry Yearbook 1998 & gt; & gt; selected as the world's top ten processors in 1998. In the technology has its own unique features:
SX series of dual-clock setup, instruction running speed up to 50/75/100MIPS (million instructions per second, XXX M Instruction Per Second); with virtual peripheral function, flexible I / O port, all the I / O port can be individually programmed to set up the company provides a variety of I / O The company provides a variety of I/O library functions for the realization of a variety of I/O module functions, such as multi-UART, multi-A/D, PWM, SPI, DTMF, FS, LCD driver and so on. The use of EEPROM/FLASH program memory, you can realize online system programming. Through the computer RS232C interface, using a special serial cable can be on the target system for online real-time simulation.
EPSON microcontroller:
EPSON microcontroller with low voltage, low power consumption and built-in LCD driver features are famous in the world, especially the LCD driver part of a very good job. Widely used in industrial control, medical equipment, household appliances, instrumentation, communications equipment and handheld consumer products and other fields. At present, EPSON has launched four microcontrollers SMC62 series, SMC63 series, SMC60 series and eight microcontrollers SMC88 series.
Toshiba microcontrollers:
Toshiba microcontrollers have a wide range, 4-bit in the field of home appliances has a large market, 8-bit mainly in the 870 series, the 90 series, the type of microcontroller allows the use of slow mode, the use of 32K clock power down to 10UA order of magnitude. Toshiba's 32-bit microcontrollers are based on the MIPS
3000A RISC CPU architecture and are aimed at the markets of VCDs, digital cameras, image processing, and so on.
8051 microcontroller:
8051 microcontroller was first introduced by Intel, and then, a number of companies purchased the 8051 core, making the 8051 as the core MCU series of microcontrollers in the world's largest production, the most widely used, and it has been speculated that the 8051 may ultimately form the de facto standard MCU chip.
LG's GMS90 series of microcontrollers, and Intel MCS-51 series, Atmel 89C51/52, 89C2051 and other compatible microcontrollers, CMOS technology, up to 40MHZ clock frequency, used in: multi-function phones, smart sensors, meters, industrial control, burglar alarm devices, a variety of billing devices, a variety of IC card device, DVD, VCD, CD-ROM.
Huabang MCU: Huabang's W77, W78 series of 8-bit microcontroller foot and instruction set compatible with 8051, but each instruction cycle only requires four clock cycles, speed increased by three times, the operating frequency up to 40MHz. At the same time, it adds WatchDog Timer, 6 sets of external interrupt sources, 2 sets of UART, 2 sets of Data pointer and Wait state control pin. The W741 series 4-bit MCUs are equipped with LCD driver, on-line burn-in, high confidentiality, and low operating voltage (1.2V~1.8V).
Zilog microcontroller:
Z8 microcontroller Zilog company's products, the use of multi-accumulator structure, there is a strong interrupt processing capabilities, development tools, inexpensive and good. Z8 microcontroller at a low price for low-end applications. I think many people know the Z80 single-board computer, until the late 1990s, many universities of microcomputer principles or tell the Z80.
NS microcontroller:
COP8 microcontroller is NS (National Semiconductor) products, the internal integration of 16-bit A/D, which is not rare, in the watchdog multiplexing and STOP mode of wake-up microcontroller are on the way. In addition, the COP8 has a unique feature of watchdog multiplexing and STOP wake-up mode. In addition, COP8 program encryption is also done better
Summary of microcontroller applications
⒈ ⒈ image sensor to measure the line before the system
⒉peacetime satellite TV serial analog SPI, I2C applications, such as radar recording data transmission.
3 directly with the AD chip with a variety of data sensors with.
Sung with the use of microcontroller and PC 232 communication for control, the microcontroller as the control object.
Careful of various charging system through IC card, MCU and PC.
Selecting industrial control systems by means of microcontroller control of stepper motors
Borrowing industrial control systems (e.g. programmable switching systems) by means of microcontroller control of various electric utility devices
Can be used in the field of control of motors by means of frequency conversion technology.
Sneaker controllers for large hand clocks, which control the motor-driven hands according to the time of day.
Electronic batching controller, based on small-scale production of automatic or semi-automatic control, such as control of loading, mixing, etc.
Application form with a timer and capture function of a certain system detection. Can provide alarms, control, etc. Such as water level control, temperature control, automatic washing machine, etc.
Sports electronic weighing scales
Teaching instruments, medical instruments.
The neon light controller composed of microcontroller.
Virtually all of the heat treatment in the rigid thermal magnetometer measurement.
Traveling people all kinds of metal flaw detection instrument.
Furthermore mine production intelligent monitor.
Classical coal mine coal production counter
20. automobile safety system
21. intelligent toys
22. ultrasonic measurement of river water level
23. AC power monitor
24. fire system alarm monitor
25. various types of water meters, meters
In a word. Microcontroller technology is widely used in a variety of instrumentation production units, petroleum, chemical, textile, mechanical processing and other industries have a wide range of applications.