It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.
其内部主要由DMA控制器(82c37)、中断控制器(82c59)、可编程间隔计时器(82c54),DRAM刷新控制器,等待状态产生器,系统重置电路组成。
Four programmable spray interval settings1/2 every hour, 3 hours, 6 hours, or 12 hours.
可设定四组喷淋时间,间隔时间灵活选择1小时,3个小时,6几小时或者12个小时。
Four programmable spray interval settings1/2 every hour, 3 hours, 6 hours, or 12 hours.
可设定四组喷淋时间,间隔时间灵活选择1小时,3个小时,6几小时或者12个小时。
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