Saturday, January 1, 2011

Weak current College】 【MCS main application features】.

<br> <br> MCS is a United States INTE company in 1980, the launch of the product, and compared its microcontroller MCS-48 's structure is more advanced, more powerful, in that it adds more circuit modules and directives, Directive .number 111, MCS can be quite successful products, until now, MCS-51 series or compatible microcomputer is applied for the mainstream products, various colleges and universities and professional schools, training material still and MCS as representatives of a number of theoretical basis of learning .. We are also taking this a representative model for systematic explanation. <br> MCS include 8031, 8051 and 8751, General products, its main function is as follows: <br> <br> Road, 8-bit CPU <br> <br .> Road 4kbytes program memory (ROM) <br> <br> Road 128bytes of data memory (RAM) <br> <br> Road 32 I / O port cable <br> <br> Road 111 directive, mostly single-byte instruction .<br> <br> Road 21 dedicated register <br> <br> Road 2 programmable timer / counter <br> <br> Road Five interrupt sources, 2 priority <br> <br> Road A full-duplex serial communication port < .br> <br> Road External data memory addressing space of 64 KB <br> <br> Road External program memory addressing space of 64 KB <br> <br> Road Logical operation bit addressability <br> <br> Way Dual 40PinDIP package .<br> <br> Road Single + 5V power supply <br> <br> MCS-51 with its typical architecture and sophisticated bus dedicated register of centralized management, many logical bit manipulation functions and object-oriented control of rich instruction set, called .for a generation "crew", as later other microcontroller development laid the Foundation. Because of its superior performance and perfection of structure, leading to later adopted by many manufacturers more or reference to its architecture, with many of the world's largest electrical, enrichment and .development of the MCS, like PHILIPS, Dallas, ATMEL, and other famous semiconductor companies have launched a compatible microcomputer products, MCS-51 even China's Taiwan WINBOND company also developed a compatible C51 (people accustomed to short C51 MCS-51, if there is .no special declaration, both with a MCS) SCM varieties. <br> <br> In recent years C51 gained rapid development, the origin of C51 INTEL because of busy development company PC and high-end microprocessor without effort to continue to develop their own .single-chip, while other vendors will its development, the most typical is PHILIPS and PHILIPS company ATML company, primarily to improve its performance, based on the original development of a high-speed I / O ports, A / D converter, PWM ( .pulse width modulation), WDT, enhancements, and low-voltage, low power, extended serial bus (I2C) and control network bus (CAN), and other features to be perfect. <br> <br> <br>.

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