DS1302 - 带涓流充电的时钟芯片

DS1302是Maxim美信半导体公司的一款1-Wire器件产品，DS1302是带涓流充电的时钟芯片，本站介绍了DS1302的封装应用图解、特点和优点、功能等，并给出了与DS1302相关的Maxim元器件型号供参考。

DS1302 - 带涓流充电的时钟芯片 - 1-Wire器件 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator.

Interfacing the DS1302 with a microprocessor is simplified by using synchronous serial communication. Only three wires are required to communicate with the clock/RAM: CE, I/O (data line), and SCLK (serial clock). Data can betransferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302 is designed to operate on very low power and retain data and clock information on less than 1µW.

The DS1302 is the successor to the DS1202. In addition to the basic timekeeping functions of the DS1202, the DS1302 has the additional features of dual power pins for primary and backup power supplies, programmable trickle charger for VCC1, and seven additional bytes of scratchpad memory.

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