查询词典 memory-chip

With broader and broader application and development of SoC, two points of SoC are coming into being: one is rapid blast on gate number, and the other is increscent size ratio of on-chip memory to whole chip.

随着系统级芯片越来越广泛的应用和发展，它呈现出两个特点：芯片规模快速增大和片上存储器占芯片面积比重不断增加。

Article recommend a regard 8031 one-chip computers as core stretch, outer to expand electricity , AT93C46 of chip , wipe , get rid of programmable read-only memory, it more have reveal LED,when, minute or second and not last button ringing bell device automatically at the time of school of sign with indicator lamp.

文章介绍了一种以8031单片机为核心片，外接扩展芯片AT93C46电擦除可编程只读存储器，并带有数码LED显示，时、分、秒和以指示灯做标志的按键校时自动打铃器。

Article recommend a regard 8031 one-chip computers as core stretch, outer to expand electricity , AT93C46 of chip , wipe , get rid of programmable read-only memory, it more have reveal LED,when, minute or second and not last button ringing bell device automatically at the time of school of sign with indicator lamp.

机电毕业论文：自动打铃器设计说明书共30页，10980字摘要文章介绍了一种以8031单片机为核心片，外接扩展芯片AT93C46电擦除可编程只读存储器，并带有数码LED显示，时、分、秒和以指示灯做标志的按键校时自动打铃器。

Chip, circuit board, photographic module, video camera head, battery, battery material, charger, memory bank, filter, special display module, passive element, hardware, switch, press key, connector, SIM card mount, loud speaker, buzzer, receiver, vibrating motor, chip inductor, crystal vibrator, LCD protective screen, metal frame, packaging material, backlit board, meal nameplate, mobile antenna, molding structural part, shell, model, packing material, soldering tin wire, LCD, leather case, earphone, in-vehicle hands-free, brace, packing box, and other accessories

芯片，电路板，照相模组，摄像头，电池，电池材料，充电器，内存条，滤光片，特殊显示模块，被动元件，五金件，开关器件，按键，连接器，SIM卡座，扬声器，蜂鸣器，受话器，振动马达，贴片电感，晶体振荡器，LCD保护屏，金属框，包装材料，导光板，金属铭牌，手机天线，模具结构件，外壳，模型，包装材料，焊锡丝，LCD，皮套，耳机，车载免提，吊带，包装盒等各种配套零部件

Four 8-bit I/O Ports C Three 16-bit Timer/Counters C 256 Bytes Scratch Pad RAM C 8 Interrupt Sources with 4 Priority Levels C Dual Data Pointer Variable Length MOVX for Slow RAM/Peripherals High-speed Architecture C 10 to 40 MHz in Standard Mode 16K/32K Bytes On-Chip ROM Program T80C51RD2 ROMless Versions On-Chip 1024 bytes Expanded RAM C Software Selectable Size (0, 256, 512, 768, 1024 bytes) C 256 Bytes Selected at Reset for AT87C51RB2/RC2 Compatibility Keyboard Interrupt Interface on Port P1 8-bit Clock Prescaler 64K Program and Data Memory Spaces Improved X2 Mode with Independant Selection for CPU and Each Peripheral Programmable Counter Array 5 Channels with: C High-speed Output C Compare/Capture C Pulse Width Modulator C Watchdog Timer Capabilities Asynchronous Port Reset Full Duplex Enhanced UART Dedicated Baud Rate Generator for UART Low EMI Hardware Watchdog Timer (One-time Enabled with Reset-out) Power Control Modes C Idle Mode C Power-down Mode C Power-off Flag Power Supply: 2.7V to 5.5V or 2.7V to 3.6V Temperature Ranges: Commercial (0 to +70C) and Industrial (-40C to +85C) Packages: PDIL40, PLCC44, VQFP44

四8位I / O端口C款三16位定时器/计数器 256字节RAM的便笺簿 8中断源4优先级和C双数据指针MOVX在缓变长内存/外设高速架构为C 10至40 MHz的标准模式16K/32K字节的片上ROM程序T80C51RD2无ROM版本片1024字节扩展RAMC软件可选尺寸（0，256， 512，768，1024字节）C选取在重置为AT87C51RB2/RC2兼容键盘中断接口与独立的选择港口小一8位时钟分频器64K的程序和数据存储器空间的改进X2模式的CPU和256字节每个外设可编程计数器5通道的阵列：C型高速输出C比较/脉宽调制器捕获看门狗定时器复位功能异步端口全双工增强型UART的波特率发生器的UART低EMI硬件看门狗定时器电源控制模式空闲模式C掉电模式C断电旗电源：2.7V至5.5V或2.7V至3.6V温度范围：商业（0到+70 C）和工业（- 40C至+85℃）封装：PDIL40，PLCC44，VQFP44

A portable field information acquisition system is designed based on single chip,nonvolatile memory chip, GPS and several kinds of sensors. It can gather and recordthe information of GPS, sensors of field information acquisition and display them byLCD.

该系统可以同时采集和记录GPS、土壤水分、养分、温度等多种传感器的数据，通过液晶显示屏现场即时查看数据、记录数据；用户可将采集记录的数据通过USB总线或者串口发给微机，在微机上形成Excel表格或者文本文件，方便用户进行数据分析。3。

The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer.

在薄片上闪光允许程序存储器是重新规划在里面系统或由一常规的 nonvolatile存储器程序员。

The on-chip Flash allows the program memory to be user programmed by a conventional nonvolatile memory programmer.

片上闪存可程式记忆体，以用户编程的常规非易失性内存程序员。

Taiwanese contract manufacturers of dynamic random access memory, the type of memory chip used in computers, brought in $8bn in revenue last year and accounted for about a third of world production.

台湾动态随机存储器合同制造商去年的收入为80亿美元，占全球总量的约三分之一。Dram是电脑中使用的存储芯片。

Memory capacity of single-chip processor is general small. It is difficult to extend data memory in a standard system.

单片机的存储器容量一般都比较小，在标准的应用系统中往往难以进行扩展。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。