The DS1302 is a Dallas clock chip with a real‑time clock/calendar and 31‑byte RAM, powered by a low‑power serial interface.
The DS1302 clock chip from Dallas provides a real‑time clock/calendar with automatic month‑length and leap‑year handling. It includes 31 bytes of static RAM and can operate in 24‑hour or 12‑hour mode.
Communication is performed via a simple three‑wire serial interface (CE, SCLK, I/O) that transfers data LSB first. The device is powered by a main supply (VCC1) and a backup supply (VCC2) that ensures operation when the main voltage drops. This manual is written in Chinese.
| Power consumption | <1 mW |
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