简要介绍了实时时钟isl 1208的原理、特点、功能及应用，并给出了与单片机的硬件连接图及控制程序。
This article introduce the principle, the character, the function and the application of real time clock ISL1208 and then gives the hardware and software design.
同时给出了一种提高实时控制精度的有效方法，即通过改写系统定时器的分频值达到改变定时器时钟中断频率的值。
And it presents a efficacious method to enhance precision of real time control, which changes value of clock interrupt frequency by changing divided frequency of system tinier.
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。
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.
该仪器基于LPC932单片微机为核心微处理器，来完成数据采集、处理，存储，实时时钟控制，液晶显示，通信等功能。
This instrument based on LPC932 as the key microprocessor to gather , deal with and store data, to control real-time clock, to complete the liquid crystal display and communication.
在工业控制、检测及生产管理中，这是一种非常实用的实时时钟集成电路。
This is a very practical integrated circuit of the real-time clock in the industrial control, detection and management of production.
在实时控制系统中，时钟控制电路及程序的设计十分重要。
In real time control system, it is important to design the clock control circuit and program.
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 RTC module is a typical char device as well as an important part of Industrial Control System.
烟叶烘烤自动控制系统的三大核心技术是实现稳定的温度采集、掉电保护、实时时钟功能。
The three key technologies of tobacco toasting autocontrol system are to be realized stably temperature collecting, to be protected data after turn-off, and real time clock function.
提出的时钟控制电路，是利用单片机at89c 2051的16位定时器做成电子时钟，并利用电子时钟的精确定时作用实现了实时控制。
This paper presents a clock control circuit in which an electronic clock is made by a MCU AT89C2051 16-bit timer and real-time control is achieved by the electronic clock's function of precise timing.
本控制系统以高性能8位单片机at89c52为核心，结合数据采集电路、信号输出电路、实时时钟电路、系统监控电路组成。
The control system is composed of AT89C52, a high-powered 8-bit microcontroller, data gathering circuit, real time circuit, data output circuit and system watch circuit.
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 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.
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 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.
设计了一种新型平滑度仪，详细描述了控制器、数据采集、人机接口和实时时钟等模块的具体选型及设计；
A new smoothness tester has been designed and accomplished. This paper presents in details the module design of controller, data acquisition, man-machine interface and real clock.
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。
The power manager unit and the nodes sleep period are controlled by an RTC(real time clock) chip.
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