Completes the temperature survey with keen digit temperature sensor DS18B20, precise calendar clock chip PCF8563 takes the real-time clock source.
用灵敏的数字温度传感器ds18 B 20完成温度测量，精确的日历时钟芯片P CF 8563作为实时时钟源。
This design is a simple digital calendar display system recording real-time calendar clock information.
设计了一种可以记录实时日历时钟信息的简易数码信息历显示系统。
The paper introduces three functions of the integrated circuit of real-time calendar clock and the interconnection method with single chip computer. The interfacing circuit is also given.
本文具体介绍了三种实时日历时钟集成电路的功能以及与单片机的连接方法，给出了接口电路。
Multiple Functions can be accomplished by using real-time calendar clock.
实时日历时钟的应用，可以使智能仪表实现多功能。
Multiple Functions can be accomplished by using real-time calendar clock.
实时日历时钟的应用，可以使智能仪表实现多功能。
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