单片机的发展趋势外文翻译-中英文对照论文翻译

单片机的发展趋势-外文翻译-中英文对照论文翻译

单片机的发展趋势 The development trend of Microcontroller Abstract: SCM develops rapidly, the current world's major chip manufacturing companies have launched their own microcontroller, from the 8-bit, 16-32, etc., but they are distinctive, each as complementary, in order to provide a broad application of microcontroller world. Keywords: Microcontroller; Development

Single chip, also known as single-chip microcomputer or a microcomputer. It is the central processing unit (CPU), random access memory (RAM), read-only memory (ROM), input / output ports (I / 0), and other major computer features are integrated in a microcomputer integrated circuit chip. now that the flourishing period of the microcontroller is the world's major chip manufacturing companies have launched their own microcontroller, from the 8-bit, 16-32, numerous, everything their own characteristics, each other into complementary applications for the MCU's vast world. Throughout the development process of the microcontroller, can predict the development trend of Microcontroller.

1, low-power CMOS technology

8031 MCS-51 family of launch power of 630mW, and now about SCM in general are 100mW, with lower and lower power requirements on the microcontroller, and now every single chip manufacturers have adopted the basic CMOS (complementary metal oxide semiconductor process) .80 C51 on the use of HMOS (ie, high-density metal-oxide semiconductor process) and CHMOS (high-density complementary metal oxide semiconductor process). CMOS Although low power consumption, but because of its

单片机的发展趋势-外文翻译-中英文对照论文翻译

physical characteristics determine the speed of their work not high enough, and CHMOS is equipped with high speed and low power consumption, these characteristics more suitable for the requirements of low power, battery-powered applications. so this technology will be the development of the coming period the main way MCU.

2, the micro-monolithic

Now the conventional single chip are generally the central processor (CPU), random access data storage (RAM), read-only program memory (ROM), parallel and serial communication interface, interrupt system, the timing circuit, clock circuit integrated in a a single chip, enhanced integrated microcontroller, such as A / D converter, PMW (pulse width modulation circuit), WDT (watchdog), some microcontrollers will LCD (LCD) driver circuit are integrated in a single chip, This MCU contains circuitry to more elements, features the more powerful. microcontroller manufacturers and even the requirements can be tailored according to the user, to create a single chip with its own characteristics. In addition, the product is now the universal demand small size, light weight This requires strong and microcontroller functionality in addition to low power consumption, but also requires the volume to be small. Now many microcontrollers have a variety of packages, including SMD (surface mount) is becoming more popular, making the system posed by the microcontroller moving in the direction of miniaturization. 3, multi-species co-exist with the mainstream

Although now a wide variety of microcontroller, with different features, but still mainstream though 80C51 microcontroller core, compatible with its structure and command system, the company's products are PHILIPS, ATMEL company's products and China Taiwan's Winbond MCU. So for the C8051 accounted for half of the core of the

单片机的发展趋势-外文翻译-中英文对照论文翻译

microcontroller. and Microchip's PIC reduced instruction set (RISC) also has a strong development momentum in recent years, China Taiwan's HOLTEK microcontroller output growing company, with its low-cost advantages of high quality, occupy a certain market share . In addition, there MOTOROLA products, several major companies in Japan dedicated microcontroller. in a certain period of time, this situation will be able to continue, there is a single chip will not be the monopoly of world domination, taking the dependency complementary and mutually reinforcing, common development. 4, large capacity, high performance

ROM for the MCU within the past 1KB ~ 4KB, RAM is 64 ~ 128B. But require complex control situations, the storage capacity is not enough, the need for external expansion. In order to meet the requirements of such areas shall be the use of new technology, the large capacity memory chip. At present, the microcontroller ROM up to 64KB, RAM up to 2KB. In addition to further changes in CPU performance single chip to speed up the rate of instruction operation control and improve system reliability. using reduced instruction set (RISC ) structure and assembly line technology, can greatly improve the speed. now commands the highest speed reached 100MIPS (Million Instruction Per Seconds, that is trillion instructions per second), and enhanced bit manipulation, interrupt and timing control. Such microcontroller MCU operating speed higher than the standard 10 times. As these instructions very high speed microcontroller, you can use software to simulate the I / O function, which introduces a new concept of virtual peripherals.

5, Serial Expansion Technology

单片机的发展趋势-外文翻译-中英文对照论文翻译

For a long period of time, general-purpose microcontroller bus architecture extended by three peripheral devices into the mainstream structure of microcontroller applications. As low-cost OTP (One Time Programble) and various special types of on-chip program memory development, coupled with the interface at around continue to enter the chip, to promote the single chip "monolithic" structure of the development application. In particular, I2C, SPI serial bus such as the introduction of the design can make even l …… 此处隐藏：5259字，全部文档内容请下载后查看。喜欢就下载吧 ……