system CPU time

At first, we point out that in the embedded system the power-on reset ( POR) circuit of CPU and EPLD should not only satisfied the request of reset time but also offer correct time sequence to make POR step finished when initializing EPLD.

首先介绍了在嵌入式系统中，CPU和可编程芯片上电复位电路不仅要满足复位时间要求，而且还要有正确的时序，保证在对可编程芯片初始化时，该芯片上电复位已经结束。

The RTU Operating System is an improvement Upon UNIX OperatingSystem in the multi-CPU and real-time environment.

RTU操作系统是在 实时 和多CPU环境下对UNIX操作系统的扩充.

Do not use much CPU Time and Memory, keep your system performance.

无须太多系统资源,不会拖慢电脑.

In order to strengthen the function of real time monitoring and automatic data processing of the system, the improvements in software and hardware of CPU system were carried out and the local computer network of the KRS system established in collaboration with Zhongshan University.

为了增强系统实时监控及数据自动处理的功能，1998年由中山大学大气科学系和大亚湾核电站环境实验室合作，对KRS系统中央处理机的软、硬件进行了改造，建立了系统计算机局域网络。

In a time-sharing system, it is very important that each user get a share of the CPU at regular intervals.

在分时系统中，重要的是每一用户每隔（定）段时间可使用中心处理装置。