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。
According to the logic chip design feature, the chip work's time signal can be divided into 4 kinds: clock signal, input signal, combination output signal and register output signal.
按照逻辑芯片设计特点，将芯片工作时的信号分为4种：时钟信号、输入信号、组合输出信号和寄存器输出信号。
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。
The author introduces the design of digital display clock, the time signal received by GPS satellite receiver corrects time automatically after receiving and processing by single chip computer.
介绍一种利用GPS卫星接收机接收的时间信号，经单片机接收处理后进行自动校时的数显时钟的设计。
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。
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。
This circuit is implemented on a monolithic chip, which is comprised of a period time sampling unit, a peri-od distanee preset unit, an arithmetic unit, a clock and time sequence unit.
电路主要由周期计时电路、周期数据预置电路、运算电路及时钟和时序等电路构成。
The control circuit of the Kilowatt-hour meter consists mainly of the circuit of signal detection, real-time clock and control of output, and it also consists of 68hc705c8 single chip computer.
该电度表的控制电路主要由信号检测、实时时钟、输出控制电路及68hc 705c8单片机组成。
The nonvolatile data memory, real-time clock, and watchdog functions of FM31256 chip were adopted by region fire alarm and control device to improve the system reliability.
在区域火灾报警控制器中，FM 31256芯片的非易失性数据存储器、实时时钟、看门狗等功能，增强系统可靠性。
The power manager unit and the nodes sleep period are controlled by an RTC(real time clock) chip.
实时时钟模块是典型的字符设备也是工业控制系统中的重要组成部分。
The power manager unit and the nodes sleep period are controlled by an RTC(real time clock) chip.
实时时钟模块是典型的字符设备也是工业控制系统中的重要组成部分。
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