基于单片机的交通灯控制系统单片机毕业论文外文文献翻译及原文Word格式.docx

1、外 文 文 献 翻 译文献、资料中文题目：基于单片机的交通灯控制系统文献、资料英文题目：Structure and function of the MCS-51 series文献、资料来源：文献、资料发表（出版）日期：院 （部）： 专 业： 通信工程班 级：姓 名：学 号：指导教师：翻译日期： 2017.02.14 毕业设计文献资料翻译 （原文及译文） 原文名称：Structure and function of the MCS-51 series课题名称： 基于单片机的交通灯控制系统 Structure and function of the MCS-51 series one-chip c

2、omputer MCS-51 is a name of a piece of one-chip computer series which Intel Company produces. This company introduced 8 top-grade one-chip computers of MCS-51 series in 1980 after introducing 8 one-chip computers of MCS-48 series in 1976. It belong to a lot of kinds this line of one-chip computer th

3、e chips have, such as 8051, 8031, 8751, 80C51BH, 80C31BH,etc., their basic composition, basic performance and instruction system are all the same.8051 daily representatives-51 serial one-chip computers.A one-chip computer system is made up of several following parts: （1） One microprocessor of 8 （CPU

4、）. （ 2） At slice data memory RAM （128B/256B）,it use not depositing not can reading /data that write, such as result not middle of operation, final result and data wanted to show, etc. （3） Procedure memory ROM/EPROM （4KB/8KB ）, is used to preserve the procedure , some initial data and form in slice.

5、But does not take ROM/EPROM within some one-chip computers, such as 8031, 8032.（4） Four 8 run side by side I/O interface P0 four P3, each mouth can use as introduction , may use as exporting too. （5） Two timer / counter, each timer / counter may set up and count in the way, used to count to the exte

6、rnal incident, can set up into a timing way too, and can according to count or result of timing realize the control of the computer. （6） Five cut off cutting off the control system of the source. （7） One all duplex serial I/O mouth of UART （universal asynchronous receiver/transmitter （UART） ）, is it

7、 realize one-chip computer or one-chip computer and serial communication of computer to use for. （8） Stretch oscillator and clock produce circuit, quartz crystal finely tune electric capacity need outer. Allow oscillation frequency as 12 megahertz now at most. Every the above-mentioned part was join

8、ed through the inside data bus .Among them, CPU is a core of the one-chip computer, it is the control of the computer and command centre, made up of such parts as arithmetic unit and controller , etc. The arithmetic unit can carry on 8 persons of arithmetic operation and unit ALU of logic operation

9、while including one, the 1 storing device temporaries of 8, storing device 2 temporarily, 8s accumulation device ACC, register B and procedure state register PSW, etc. Person who accumulate ACC count by 2 input ends entered of checking etc. temporarily as one operation often, come from person who st

10、ore 1 operation is it is it make operation to go on to count temporarily , operation result and loop back ACC with another one. In addition, ACC is often regarded as the transfer station of data transmission on 8051 inside. The same as general microprocessor, it is the busiest register. Help remembe

11、ring that agreeing with a express in the order. The controller includes the procedure counter, the order is deposited, the order deciphering, the oscillator and timing circuit, etc. The procedure counter is made up of counter of 8 for two, amounts to 16. It is a byte address counter of the procedure

12、 in fact, the content is the next IA that will carried out in PC. The content which changes it can change the direction that the procedure carries out. Shake the circuit in 8051 one-chip computers, only need outer quartz crystal and frequency to finely tune the electric capacity, its frequency range

13、 is its 12MHZ of 1.2MHZ. This pulse signal, as 8051 basic beats of working, namely the minimum unit of time. 8051 is the same as other computers, the work in harmony under the control of the basic beat, just like an orchestra according to the beat play that is commanded.There are ROM （procedure memo

14、ry , can only read ） and RAM in 8051 slices （data memory, can is it can write ） two to read, they have each independent memory address space, dispose way to be the same with general memory of computer. Procedure 8051 memory and 8751 slice procedure memory capacity 4KB, address begin from 0000H, used

15、 for preserving the procedure and form constant. Data 8051- 8751 8031 of memory data memory 128B, address false 00FH, using for middle result to deposit operation, the data are stored temporarily and the data are buffered. In RAM of this 128B, there is unit of 32 bytes that can be appointed as the j

16、ob register, this and general microprocessor is different, 8051 slice RAM and job register rank one formation the same to arrange the location. It is not very the same that the memory of MCS-51 series one-chip computer and general computer disposes the way in addition. General computer for first address space, R