real-time-clock chip elect 实时时钟片选信号
real-time clock-chip 实时时钟芯片
real-time clock chip 实时钟芯片
real-time clock chip SD230 实时时钟芯片SD
microprocessor real-time clock chip 微处理机实时时钟芯片
RTCCE Real-Time-Clock Chip Elect 实时时钟片选信号
The paper introduces the function, the feature, the principle and the application of hige accuracy real time clock chip RTC4553, it gives hardware and software design.
介绍了高精度实时时钟芯片rtc 4553的功能、特点、原理及应用，并给出了电路原理图和控制程序。
Use AT89S51 single chip and real-time clock integrated circuit DS1643, designed an electronic clock system, realized the date, time display and reported time.
利用AT 89s51单片机及实时时钟集成电路ds1643，设计了一个电子钟系统，实现了日期、时间显示及报时功能。
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。
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