数据输出总线

A memory address consists of binary data being output on an appropriate bus which we call the address bus.

一个存储器地址是由输出到适宜的总线上的二进制数据所组成。这个总线我们称为地址总线。

The foundation of this system provides a good reference to promote the standardization and intelligence of the overhaul and maintenance of vacuum switches. This paper develops a special HF pulse power supply for internal pressure estimation, which achieves the output of HF-HV sinusoidal pulse wave whose frequency and amplitude can be modified respectively, and meets the design requirements according to the results of Simulink simulation and practical experiments. With the help of AT89S52, this paper designs an I~2C serial bus based signal detection system for peak value signal acquisition of HF pulse currents, which communicates with the upper computer by asynchronous serial communication for uploading the data. In the upper computer, a human computer interface is developed by Matlab software, whose functions are to do some computation and graphic display, such as calibrating the relation curve of vacuum degree and peak value of HF pulse currents, vacuum degree computation, and vacuum lifetime evaluation analysis basing on grey forecasting model as well as making relative suggestions.

本文研制了用于真空度检测的高频脉冲电源，通过Simulink仿真和试验检验其满足设计要求，实现了电压幅值和频率独立可调的正弦波高频高压脉冲输出；利用以AT89S52为核心基于I~2C串行总线的信号检测系统实现高频脉冲电流峰值信号的采集，通过异步串行通信实现单片机与计算机之间的数据通信，将检测数据传至上位机；在上位机利用Matlab开发人机交互界面，实现相关数据处理和图形显示，包括真空度——高频脉冲电流峰值关系曲线标定、真空度数值计算、基于灰色预测模型的真空寿命评估分析和提出相应决策建议。

The adjustment of X9241 is controlled by SCM according to the polarity of imbalance voltage signal from the output of the circuit bridge, and the adjusting of the balance of bridge and of controller is realized automatically.

单片机根据电压比较电路敏感电桥两臂不平衡电压输出信号的正负极性控制X9241，实现电桥平衡和控制器的自动调节。X9241采用二线串行I2C总线与单片机传递数据。

XC68HC11F1FN Pinout:(1) Power saving driver (2) Built in DA converter accepting 6-bit digital input (for 262,144 colors)(3) Choice of 360 and 324 drive outputs (4) Input data bus at pixel level (5) Choice of output data format: gray scale or binary (6) Eleven reference voltage inputs for producing 10 segment gamma adjustment graph.

XC68HC11F1FN引脚说明：（1）省电驱动程序（2）内置DA转换器接受6位数字输入（为262，144色）（3）选择360和324驱动器输出（4）输入的像素数据总线一级（5）输出数据格式选择：灰阶或二进制（6）11参考生产10段伽玛调整图形电压输入。

SAK-C167CR-LM easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device M/S = VIH for BUSY output flag on Master M/S = VIL for BUSY input on Slave BUSY and Interrupt Flag On-chip port arbitration logic Full on-chip hardware support of semaphore signaling between ports Fully asynchronous operation from either port LVTTL-compatible, single 3.3V (0.3V) power supply Available in 84-pin PGA, 84-pin PLCC and 100-pin TQFP Industrial temperature range (-40C to +85C) is available for selected speeds

朔C167CR - LM滚动轻松扩展数据总线的宽度为32位或更多的使用主/从选择当级联多个器件M / S的=关于硕士M / S的=忙输出标志VIH VIL数值就投入繁忙和忙碌的奴隶中断标志片全部港口的仲裁逻辑芯片上的信号灯的信号港口之间的异步操作完全由硬件支持任何港口的LVTTL兼容，（为0.3V）电源可在84引脚PGA的，84引脚PLCC和单3.3V 100引脚TQFP工业温度范围（- 40C至+85 C）是选定的速度可

MBRD1035CTLT4G easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device M/S = VIH for BUSY output flag on Master M/S = VIL for BUSY input on Slave BUSY and Interrupt Flag On-chip port arbitration logic Full on-chip hardware support of semaphore signaling between ports Fully asynchronous operation from either port LVTTL-compatible, single 3.3V (0.3V) power supply Available in 84-pin PGA, 84-pin PLCC and 100-pin TQFP Industrial temperature range (-40C to +85C) is available for selected speeds

1第1页，本页显示记录1-11，共11条记录分1页显示MBRD1035CTLT4G轻松扩展数据总线的宽度为32位或更多的使用主/从选择当级联多个器件M / S的= VIH对奴隶繁忙投入繁忙和中断标志对主M / S的= VIL数值忙输出标志上港口全部仲裁逻辑芯片的片上信号信号港口之间的异步操作完全由硬件支持任何港口的LVTTL兼容，（为0.3V）电源可在84引脚PGA巡回赛，84引脚PLCC和100引脚TQFP封装3.3V单工业温度范围（- 40C至+85 C）是选定的速度可

The DM642 External Memory Interface expands two pieces of MT48LC4M32B2 (4M*32 bit SDRAM) and a AM29LV33C (8M bit FLASH). SDRAM is connected to the 64bit data bus of EMIF, can read/write 64bit data at every cpu cycle, be used to store program, data and image.

单片机采用了Cygnal公司的C8051F020，它使用了CIP-51微控制器内核，与MCS-51TM指令完全兼容。C8051F020通过I2C总线和通用I/O口与DM642相连接，接收I2C偏差数据，并通过单片机内部的两个全双工UART输出。

Each of the first and second processing units has a respective first output data bus.

每个所述第一和第二处理单元具有相应的第一输出数据总线。

Think of a server's I/O bus as a highway for carrying data between a server's CPU and various peripherals.

设想一下把服务器的输入/输出总线当作在服务器 cpu和各种外设之间运送数据的高速公路。

The invention relates to a dynamic matrix control system of high-purity distillation, which comprises distillation tower, intelligent checker, DCS system, superior host, and on-site bus, while they are connected. The control system uses tower product group as the object variable, and the reflux ratio and reboil ratio as control variable; the superior receives history temperature and pressure data from the DCS real-time database, via the predict control and dynamic matrix controller, to obtain the output values of present controller as reflux ratio and reboil ratio, then feedback said two values to DCS system, to function the distillation object. The invention can confirm the high-purity stable operation, with better dynamical control.

本发明公开了一种高纯精馏的动态矩阵控制系统和方法；系统包括：精馏塔、智能检测仪表、DCS系统、上位机和现场总线；所述精馏塔、智能检测仪表、DCS系统和上位机通过现场总线依次相连，实现信息流的上传和下达；本发明所涉及的控制系统采用塔双端产品组分为被控变量，回流比和再沸比为对应的控制变量；上位机从DCS实时数据库中获得历史的温度、压力等数据，通过推断控制环节和动态矩阵控制器环节，得到当前控制器的输出值-回流比和再沸比，再把控制器输出值返回给DCS系统，实现了对高纯精馏过程的双端产品高纯控制，对双端组分的高纯度平稳操作，具有很好的动态品质和控制效果。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。