The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes simple method and high performance-price ratio. Based on the Samsung S3C2440 microprocessor, it embodies professional stable CPU core power source chip a

系统电路由时钟模块、主控模块、键盘及显示模块、电源模块组成。实时时钟采用DS1302实现年、月、日、时、分、秒、星期等时间信息的采集及闹钟功能。这样设计的结果使电路结构十分简洁，各种要求能完全保证，使系统电路的稳定性得到提高。同时，它采用C语言对系统的各功能模块进行编程实现,并且系统具有键盘控制功能，方便校对时间。-System circuit by the clock module, main control module, the keyboard and display module, p