双可编程时钟 dual programmable clocks
可编程偏移时钟缓冲器 PSCB
可编程斜率时钟缓冲器 PSCB
可编程门控时钟技术 Programmable clock Gating
通过控制一个N位累加器累加，取其最高位，即可得到可编程时钟源。
Through controlling an N-bit accumulator and then get its highest bit to generate the programmable clock.
该文介绍了如何利用可编程控制器的日历时钟功能，对一灯饰控制系统进行自动控制，从软件、硬件两个方面介绍了具体实现的方法。
The paper presents a lighting decoration control system, in which clocking function of PLC is used and automatic timing control of lighting decoration system may be realized.
介绍了可编程控制器机内时钟的设定及时间控制的方法，给出了编程实例。
This paper passes on clock setting and time controlling methods on PLC, and gives program examples.
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