控制模块采用了高性能、高集成度、低成本、指令执行时间短的处理器P 89lpc 935来控制整个系统的外设管理。
The external management of the whole system is controlled by a microcontroller P89LPC935 with high performance, high integration, low-cost, short operation time.
CPI值低就意味着指令花费的执行时间少。
The lower value of CPI means one instruction takes less time to execute. The cycles can be broken down into several parts in terms of how much time is spent in different pipeline stage.
通过减少循环中计算机需要执行的指令，节省了执行时间。
This saves time by reducing the number of overhead instructions that the computer has to execute in a loop.
在对指令系统分析和研究的基础上，设计和实现了指令的解释执行系统。并设计和实现计算程序执行时间的函数。
Based on the analysis and research on the instruction system, this paper designs and realizes the interpretation system for instructions, and also the functions which compute program running time.
分析发现基于累加器的ALU结构、CISC指令体系及指令的执行时间是影响其性能的关键因素。
It has been found out that the key factors of affecting its performance are the ALU structure based on accumulator, the CISC architecture and the time of executing instructions.
分析发现基于累加器的ALU结构、CISC指令体系及指令的执行时间是影响其性能的关键因素。
It has been found out that the key factors of affecting its performance are the ALU structure based on accumulator, the CISC architecture and the time of executing instructions.
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