双音多频的DTMF信号编码程序(产生DTMF信号进行编码)
·详细说明:双音多频的DTMF信号编码程序,产生DTMF信号进行编码。- The double sound multi- frequencies DTMF signal coded program, produces the DTMF signal to carry on the code....
·详细说明:双音多频的DTMF信号编码程序,产生DTMF信号进行编码。- The double sound multi- frequencies DTMF signal coded program, produces the DTMF signal to carry on the code....
With more and more multi-frequency clocks being used in today's chips, especially in the communications field, it is often necessary to switch the...
This document presents design techniques and reference circuits that power Virtex™-4 FXRocketIO™ multi-gigabit transceivers (MG...
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详细介绍工控软件组态王与单片机多机串口通讯的设计原理。分析组态王提供的直接与单片机串口通信方法的优点,给出系统基于RS-485总线传输的接口电路原理图。根据组态王提供的通讯协议和单片机多机串口通讯的原理,给出程序设计流程与思路。 Abstract: In this paper,th...