6位数字钟的multisim实现，可实现跳转等基本功能-The six digital clock multisim realized, could achieve the basic functions, such as Jump

时钟程序[可换皮肤]，系统环境：PB9.0 一个时钟控件及其运用！-Clock program [can change the skin], the system environment: PB9.0 a clock control and use!