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本程序源代码由单片机培训网提供.

单片机培训网,让更多人学习单片机更容易.

第一网址----www.mcuedu.com

第二网址----http://51_train.nease.net

创办人------刘永忠

热线电话----13088847866

email-------aa815@163.com

本程序实现七段码动态显示并在个位为零时进入省电模式，

当外中断0管脚来一个下降沿触发时，退出省电模式功能.

***********************************************************/-/*********************************************************　the source code provided by the single-chip networks training.　single-chip training network, single chip so that more people learn more easily.　first website---- www. mcuedu . com　second site---- http:// 51_train.nease.net　founder Liu Yongzhong------　hotline---- 13088847866　email------- aa815 @ 163 . com　the program code and seventh dynamic display and enter a single-zero power mode　when external interrupt 0 pin to a falling edge trigger, the functions from the power-saving mode.*********************************************************** /