查询词典 interface bus

The problem of slow data transfer rate on the bus interface must be solved by using high host interface.

指出总线接口的数传率偏低这一"瓶颈"问题需要通过高速的主机接口来加以解决。

It implements interface transfer between ISA bus and self-defining bus. The aim is to reform the initial test-bed to satisfy the durability test requirements of the newfashioned automobile air-conditioning compressor.

实现了ISA总线与试验台中自定义总线的接口转换功能，目的是改造原有试验台使其满足新型号汽车空调压缩机耐久性试验的要求。

The research of self-designed PXI bus interface is of great importance in building self-determined bus-based test system.

研究自主化PXI接口，对于组建自定义的总线化测试系统有重要的意义。

To solve the problem of direct communication failure or short distance communication between embedded devices and computer, based on C8051F040 single chip and its High-speed serial interface and CAN con- troller, a general data transmission embedded system has been developed. It can satisfy many kinds of bus interface configuration requirements.

为了解决嵌入式设备与计算机不能直接互联通信或者通信距离短的问题，基于C8051F040单片机和高速UART串行端口及其内置CAN控制器，开发一套适合多种总线接口配置要求的通用数据传输嵌入式系统。

A case ofapplication of CAN bus on the distributed automatic system ofsubstation is illustrated.To meet the need ofautomatic controlsystem ofsubstation,a network is necessity because ofthe distributed control units ofthe substation.To shortenthe developed period of the system,an interface bridge between the RS232 and CAN bus is made.The result oftest run shows thatthe requirements ofsystem can be satisfied by the project.

摘 要：对一个把CAN总线应用到分布式变电所自动化系统的例子进行了分析，对于分布式变电所自动化系统来说，通信网络的效率、安全性和实时性具有重要意义，在实际工作中，通过在现行测量、控制和保护单元外增加一个RS232和CAN总线之间的转换器，构成变电所自动化系统的现场总线网络，试运行情况表明：该方案完全能满足系统的要求。

We have studied data structure and transfer flow of SCCB bus, USB bus and wireless interface for CMOS image sensor OV7648 produced by Omnivision Technologies which is the main part of pill endoscope.

以药丸内窥镜的主要器件CMOS图像传感器OV7648为例，分析了SCCB总线、USB总线及无线接口的数据结构和传输流程，介绍了利用上述总线接口技术研制药丸内窥镜，取得较好效果的概况。

After analyzing the CAN BUS protocol 2.0B,the author design the data acquisition and processing module which contains the CAN BUS interface with structurely method .

作者在分析了CAN总线2.0B协议的基础上，采用结构化的方法独立设计了带有CAN总线通信接口的数据采集与处理底层模块。

It enunciates the theory of PCI bus operation, puts forward two concrete projects of developping the PCI bus that one is using ASIC and the other is using special interface chip.Discuss the project each from advantage to shortage and do analysis and argumentation.

阐述了PCI总线操作的理论，提出了PCI总线开发的具体方案，包括ASIC方案和使用专用接口芯片的方案，讨论了方案各自的优势和不足，做出了分析和论证。

The system adopts CPU board with fast processing elevator operational program, data signal exchange, and HMI screen, which can make sure reliable operation and high speed. It also has PHILIPS SJA1000T field CAN bus, 82C251 Bus interface and the latest serial storage technique to record data. The functions of external watchdog and control chip internal watchdog compose two-level procedure monitoring, so as to ensure the normal operation of the control program. Heavy-current switch power LM2576 ensures the stable system working power, which has low requirements for the power supply. High-speed optoelectronic isolator and internal frequency division technology can make NW3P08-41C (42C) CPU receive the input impulse up to 1-phase 100 KHZ*2 CHANEL or 2-phase 50KHZ*1 CHANEL 32bit.

系统采用原装中央处理板，具有快速的处理电梯运行程序、数据信号交换、显示屏人机界面；确保可靠运行电梯控制程序；且速度快，PHILIPS 公司 SJA1000T 现场 CAN 总线；以及 82C251BUS 接口，最新串行存贮技术记录数据；外部看门狗及控制芯片内部看门狗功能组成两级程序监视，确保控制程序正常运行；大电流开关电源 LM2576 确保系统工作电源稳定，且对供电电源要求低；高速光电隔离光藕及微机内部分频技术，使 NW3P08-41C(42C)中央处理板可接收高达 1 相 100KHZ*2通道或 2 相 50KHZ*1通道，32bit 的计数脉冲。

The selection principle of bus interface chip and solution of bus conflict are introduced,together with its concrete hardware cir- cuits and software block chart are given.

分析了总线接口芯片选择原则和总线冲突解决方案，给出了系统实现的硬件接口电路和软件实现详细框图。

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。