System time design circuit diagram based on DS1306
Source: InternetPublisher:张小哥 Updated: 2020/07/23
Using the fully functional clock chip DS1306. The DS1306 time, calendar and alarm can be set and initialized by writing the corresponding register bits. The calendar and time can be obtained by reading the corresponding registers. The power supply of DS1306 has three operating modes. This system uses rechargeable batteries, as shown in the figure.
System time design circuit diagram based on DS1306
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