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ds1302
- 实时时钟1302的源代码,应用PIC16f877显示时间,采用锂离子电池做备用电源,在系统掉电的情况下能够记录时间信息。-Real-time clock 1302 of the source code, application PIC16f877 display time, the use of lithium-ion battery backup power to do in case of power failure the system can record the time inform