SCM wide selection of subtitle: Author: Unknown Source: Unknown Hits: 302 Update Time: 2004-12-15 SCM variety of applications, many now pick several major MCU and corresponding company's Web site described as follows: ATMEL company. AVR microcontroller, is a single-chip microcontroller in enhanced RISC, and the Flash memory on the chip is attached to the user's product, which can be programmed, reprogrammed, and the user's product design is easy. The update is convenient. AVR microcontroller adopts enhanced RISC structure Make it high-speed processing capability, perform complex instructions in a clock cycle, each MHz can achieve the processing power of 1MIPS. AVR single-chip operating voltage is 2.7 ~ 6.0V, can achieve power consumption optimization. Avr's single-chip microcomputer At various fields such as computer external equipment, industrial real-time control, instrumentation, communication equipment, household appliances, aerospace equipment, etc. Motorola MCU: Motorola is the world's largest single-chip manufacturer. Starting from M6800, it has developed a wide range of varieties, 4, 8 Bit, 16-bit 32-bit microcontrollers can be produced, of which typical representatives are: 8-bit machine M6805, M68HC05 series, 8-bit enhanced M68HC11, M68HC12, 16-bit machine M68HC16, 32-bit machine M683XX. Motorola MCU's Features It is a much lower clock frequency used in the same speed, thus making high frequency noise, strong anti-interference ability, more suitable for industrial control and harsh. Microchip microcontroller: Microchip microcontroller's main product is PIC The 16C series and 17C series 8-bit microcontroller, CPU uses RISC structure, only 33, 35, 58 instructions, using Harvard dual bus structure, fast running speed, low operating voltage, low power consumption, large input output direct drive Ability, low price, one-time programming, small volume. Applicable to products, low grade, low price, sensitive products. In office automation equipment, consumer electronics, telecommunications, intelligent instrumentation, automotive electronics, financial electronics, industrial control The field has a wide range of applications, and the PIC series microcontroller has increased year by year in the market share of the world's single-chip market. The development is very rapid. ZHV DAG Qi Electronic Technology Co., Ltd .: www.goldenchip.com.cn Proxy PIC Series MCU MDT20xx Series MCU: Industrial Grade OTP microcontroller, MICON company production, completely consistent with the PIC single-chip feet, Haier Group's refrigerator controller, TCL communication product, Changan Otuziku small car power distributor adopts this single-chip Guangzhou Sports Electronic Development Co., Ltd. MICON. TEL : (020) 87607508EM78 Series OTP type microcontroller: Taiwan Yulong Electronics Co., Ltd., direct replacement, PIC16CXX, pin-compatible, software-convertible, agent: Fuzhou New source Electronic Technology Research Institute: Tel: (0591) 3374152 SCENIX MCU: 8-bit RISC Structure, SCENIU, launched, launched, 3-bit RISC Structure SX Series MCU and Intel Pentium II, etc., was selected as the world's top ten processors in 1998 together. It has its own uniqueness: SX series dual clock settings, instruction running speeds up to 50/75 / 100Mips (per second Execute million instructions, XXX M INSTRUCTION per second;
Has a virtual peripheral function, flexible I / O port, all I / O ports can be programmed separately, the company provides various I / O library functions for implementing various I / O modules, such as Multi-channel UART, multi-channel A / D, PWM, SPI, DTMF, FS, LCD driver, etc. With EEPROM / FLASH program memory, online system programming can be implemented. By computer RS232C interface, you can use a dedicated serial cable to target The system is real-time simulation. EPSON microcontroller: EPSON single-chip microcomputer is well known in low voltage, low power consumption and built-in LCD driver, especially the LCD driver is well done. Widely used in industrial control, medical equipment, household appliances, instruments Fields such as instrumentation, communication equipment and hand-held consumer products. At present, EPSON has launched four single-chip SMC62 series, SMC63 series, SMC60 series and eight single-chip SMC88 series. Toshiba microcontroller: Toshiba monolithic machine door is complete, 4-bit machine is in the field of home appliances A large market, 8-bit machine mainly has 870 series, 90 series, which allows the use of slow mode, using a 32K clock, power consumption to 10ua level. Toshiba 32-bit microcomputer uses MIPS 3000A RISC's CPU structure, VCD, Digital camera, image processing and other markets. 8051 single-chip microcomputer: 8051 single-chip machine was introduced by Intel, and later, many companies purchased 8051 kernels, making the MCU series MCU series microcontroller in 8051 in the world's largest production, the most applicable Some people speculate that 8051 may eventually finally form a real standard MCU chip. LG company produced GMS90 series single-chip microcomputer, compatible with the Intel MCS-51 series, ATMEL 89C51 / 52, 89C2051, etc., CMOS technology, up to 40MHz clock frequency, applied to : Multi-functional phone, intelligent sensor, electricity meter, industrial control, anti-theft alarm device, various billiaries, various IC card devices, DVD, VCD, CD-ROM. LIAN Director: http: // www .p8s.com Huabang microcontrollers: W77, W78 series 8-bit microcontrollers of W77, W78 series, compatible with 8051, but only 4 clock cycles per instruction cycle, the speed is three times, the highest operating frequency Can reach 40MHz. At the same time, the 4-bit single-semifinal source, 2 groups of UART, 2 groups of Data Pointer and Wait State Control Pin.w741 series, high-altitude, high confidentiality, low operation Voltage (1.2V ~ 1.8V). Zilog microcontroller: Z8 single-chip microcomputer is the product of Zilog, using multicompractive structure, strong interruption Conduct, development tool price is good. The z8 single chip is low-end application at a low price. I think many people know the Z80 board machine. Until the late 1990s, the microcomputer principle of many universities still tells Z80. NS microcontroller: COP8 microcontroller It is the product of NS (National Semiconductor), which is 16-bit A / D inside. This is uncommon, and the wake-up mode of the single-chip microcomputer in the watchdog multi-channel and STOP mode is unique. In addition, COP8 program encryption is also better. US National Semiconductor.com http://www.zilog.com atmel http://www.atmel.com Motorola http: // www .mot.com / microchip http://www.microchip.com/sCenix www.scenix.comlson www.epson.comlg http://www.lgs.co.kr Samsung http://www.samsungsemi.com/home .html Huang http://www.winbond.com.twotp One Time Programisp in System Program MICPU Microprocessor Unitmcu Microcontroller Units Serial Peripheral Interface RISC Reduced Instruction Set Computerharvard Dual Bus Structure:
