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ds1302
- DS1302是低功耗实时时钟芯片,它可以对年、月、日、周、时、分、秒进行计时,且具有闰年补偿等多种功能。主要特点是采用串行数据传输,可为掉电保护电源提供可编程的充电功能,并且可以关闭充电功能(DS1302 is a low-power real-time clock chip. It can schedule time, month, day, week, time, minute and second, and has multiple functions such as leap year