支持外部等待时钟信号延长总线周期。
该系统能发挥两种微机的优势，利用总线周期窃用和分散型共享存储器技术，实现紧耦合方式的高速通信。
The system takes advantage of both, computers and can realize high rate communication in tight coupling style, by using bus period stealing and distributional memory sharing.
在现场总线锅炉控制系统的应用中，能够缩短生产周期，提高生产系统可靠性，人机界面友好。
By applying the software in the Boiler Control system Based on Fieldbus, the production cycle can be shortened and the reliability of the production system improved.
设计了基于内部总线的同步周期触发，定义了一致的传感器、执行器单元执行时序，以及精确光纤链路数据传输模型，确保测控的高同步性。
Design of synchronous cycle trig based on internal bus, consensus definition of sensor sampling and actuator timing and precise data transmission model ensured the synchronization performance.
在读操作中，如果发出了这个指令，那么两个时钟周期后，读出数据无效，数据总线进入高阻状态。
During a READ operation, When this command is issued, data outputs are disabled and become high impedance after two clock delay.
用STD总线的积木式结构，可使结构紧凑，维修方便，研制周期短。
The module structure of STD-BUS makes the system compact and convenient to repair and the time of development shorter.
PCI总线是一种微机局部总线，在中断上支持即插即用，本文介绍了PCI总线的配置空间和配置周期，并着重讨论了中断实现的方法。
PCI bus is a computer local bus. supporting "Plug and Play" in interruption. This paper introduces the configuration space and configuration cycle, and gives an approach to design IO interruption.
PCI总线是一种微机局部总线，在中断上支持即插即用，本文介绍了PCI总线的配置空间和配置周期，并着重讨论了中断实现的方法。
PCI bus is a computer local bus. supporting "Plug and Play" in interruption. This paper introduces the configuration space and configuration cycle, and gives an approach to design IO interruption.
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