掉电保护

智能仪器中RAM内容掉电保护

Protection of Contents of RAM in Intelligent Instrument When Power Fail

CMOS掉电保护电路

A CMOS Power-Down Protecting Circuit

硬件实现中，提出可编程励磁新技术，同时对小信号放大、V／F转换、量程自动切换、电源监视和掉电保护及CAN通讯接口等重要电路作了详细分析和设计。

At the same time tiny signal amplify , V / F conversion , scale automaton switch and CAN communication interface are analyzed and designed .

设计中采用先进的PIC单片机作为测试终端主控制器，实现终端的寻址、数据采集、数据掉电保护及与主控制计算机通信的实现。

The design realizes terminal addressing , data collection and protection , and communicating with the control computer .

包括键盘接口，液晶显示器接口，电源监控及数据掉电保护电路接口，扩展数据存储器，与CPLD的接口等。

Including the interface to keyboard and liquid crystal displayer power source monitoring and reset circuits , the extended RAM , the connection to CPLD etc.

掉电保护方式下，RAM内容被保存，振荡器被冻结，单片机一切工作停止，直到下一个中断或硬件复位为止。

Power lost protection mode , RAM content being saved , has been frozen , microcontroller all work stop , until the next interruption or hardware reset so far .

本设计使用了外部EEPROM存储器，存储瓦斯安全浓度、非线性补偿系数、零点漂移系数，实现了掉电保护功能；在通信方面，本文采用RS-485总线技术实现瓦斯传感器和主站之间进行数据传输。

Gas safety concentration , nonlinear coefficient and zero drift coefficient are stored in an external memory EEPROM , achieved power-down protection .

本文对单片微型计算机中CMOS型SRAM的掉电保护电路进行分析，介绍了一种高要求应用系统，具有积分延时的掉电数据保护电路。

This paper aims at the analysis of a single microcomputer of type SRAM inside CMOS in droping electricity protection circuit and introduces a kind of the integral calculus postpone of dropping and giving or get an electric shock data protection circuit .

为提高智能仪表的抗干扰能力，提出了一种基于V/F变换器的数据输入通道、RAM数据掉电保护电路以及软件WATCHDOG的设计方案。

In order to improve the anti interference ability of the intelligent instrument , a kind of data input channel which is based on V / F transducer , RAM data power dump protective circuit and scheme of design for software watchdog are proposed .

单片机测控系统的掉电保护设计

Data Preservation on Power - Failure Design for Microcontroller Control System

基于单片机系统可靠性的掉电保护的研究

On Research Power Fail Protection Based on Single-chip Microcomputer System Reliability

仪器能进行温度和重量的自动补偿，并具有掉电保护、自动查询故障功能。

Changes in temperature and weight of samples can be compensated automatically .

单片机应用系统中掉电保护电路的设计研究

Design and Study of Power-Losing Protection Circuit in Monolithic Computer

单片机应用系统中的数据掉电保护

The data power off protection in single chip microcomputer system

一种微机电压监视及掉电保护电路

A kind of Circuit of Computer Voltage Lookout and Protect of Off-Electricity

单片机应用系统的柔性扩展及其掉电保护

The flexible extension and Powel-off Protection kf the application system for the single-chip Processor

通过对嵌入式应用的研究，设计了一种具备去片整理及掉电保护功能的线性嵌入式文件系统。

It was designed A linearity Embedded File System by researched application of Embedded .

自动掉电保护，工作参数可保存十年。

Auto power trip protection and the operation parameters can be stored for above ten years .

该监测仪由数据采集、掉电保护电路及红外通信接口等电路组成。

Data acquisition circuit , power-off protection circuit , and infrared communication circuit compose the apparatus .

同时说明了在正常情况下实现掉电保护的可靠方法。

Proved the reliable method that t realizes power fail protection in normal cases at the same time .

为了避免损失，本文通过对数控系统的整体研究，实现了掉电保护功能。

In order to solve this problem , power-down protection is realized after the research of the whole system .

具有掉电保护和工件记数功能的注塑机控制系统

The Control System of the Plastics Injector with the Function of Safeguard against Power Failure and Work Sum Record

电流过载保护时，计时具有热记忆特性；系统参数掉电保护；

The time counting for overcurrent protection has thermal memory feature and the system parameters are saved during power shut down .

为了保证充电的连续性，系统应具有掉电保护功能。

In order to assure the continuity of the experiment , the system should have protective function when power is failed .

同时为了提高安全性和环保性，增加了掉电保护和低功耗节能模式。

Meanwhile , in order to be more safe and environmental , the power-down protection and low-power energy-saving mode was developed .

系统完成了速度自动进给的要求，并实现了掉电保护和来电继续加工的功能。

The software completes the requirements of feed automatically . The system provides function of power-off protection and power-on continuing to process .

控制器采用掉电保护、指令冗余、软件陷阱、数字滤波等方法，以提高控制器的稳定性。

Power failure protection , instruction redundancy , software trap and digital filter are used to improve the stability of the controller .

本文介绍的专用微机系统结构紧凑，具有自诊断和自恢复功能，并有掉电保护措施。

This paper presents a compact microcomputer system having the functions of self-diagn osis , self-restoring and the ability of protection for power cutoff .

控制器还具有多组规范设定、掉电保护、出错检测、焊接/调整切换等功能。

Furthermore , it has functions , such as multi group parameters preset , power off protection , self examination and weld / adjust switching .

详细地介绍了单片机掉电保护电路的设计原理及硬、软件实现方法，分析了其可靠性。

It discusses the design of power-fail protection circuit for SCM from hardware and software , and analyzes the credibility of power-fail protection in detail .