查询词典 serial interface

Simultaneously, the system also has with the computer asynchronous serial communication interface based on the programmable logic device CPLD.

系统包括模拟开关、测量放大器、AD转换器、CPLD中心逻辑控制器、掉电数据保存单元，系统实现了通过CPLD编程完成与计算机串口间异步串行通信功能。

Finally, the feasibility and applicability of the designed system was verified by practical particleboard hot-pressing experiment. The development of the Automatic measurement system for monitoring the internal-mat environment was based on LabVIEW program which is a powerful virtual instrument design workbench. Developed system in this paper can provide a friendly interface, an animated process-monitoring window including a real-time data acquisition of 2 pressure signal channels and 4 temperature signal channels, as well as the asynchronous serial communication between measuring computer and the data acquisition. Practical application testing and data analysis showed that this measuring system was useful and easy to operate by providing accurate and reliable data.

本文详尽介绍了人造板热压过程中板坯内部环境检测系统各组成部分的工作原理以及它们在系统中的作用，着重阐述了系统硬件设计和检测软件的开发，并通过刨花板的热压试验，验证了系统设计可行性和先进应用虚拟仪器系统开发平台-LabVIEW 编制了热压板坯内部环境自动检测系统的应用软件，该软件具有友好的人机交互界面、简单直观的：工艺流程监控、安全可靠的故障处理措施等优点。

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。

In Chapter 4, on the basis of the selected CPU chips, the hardware frame of the embroidery machine control system is determined according to the overall framework. The power circuit, reset circuit, memory interface circuit, keyboard and display circuit, USB interface circuit, serial communication interface circuit and nether electromechanical interface circuit are designed in particular.

第四章根据总体架构，在选好的CPU芯片的基础上确定了绣花机控制系统的硬件框架，详细设计了电源电路、复位电路、存储器接口电路、键盘与显示电路、USB接口电路、串行通信接口电路和下层机电接口电路。

First of all, this paper discusses the designing of minimal system about TMS320C5402 DSP device in detail. Secondly, this paper describes the communication method between TMS320C5402 and TLC320AD50C when the multichannel buffered serial port of C5402 is set up in serial port mode. Hardware configuration and software diagram are described. Thirdly, this paper introduces a designing of human-machine interface device, including hardware interface and accompanying software routine.

首先，详细介绍了基于TMS320C5402芯片的DSP实验系统的最小系统设计；其次，介绍了TMS320C5402的多通道缓冲串口与音频接口芯片(TLC320AD50C)在串口工作模式下实现串行通讯的设计，并给(来源：5cAB9fC论文网www.abclunwen.com)出相应的硬件配置、软件流程；再次，阐述了TMS320C5402的人机接口软硬件设计；最后，本文设计出了一些基本实验和有针对性的实验。

Serial ATA is the evolution of the ATA interface from a parallel bus to serial connection architecture.

串行ATA是ATA接口的演变，从ATA的并行总线演变成为串行连接的结构。

In order to reduce the cost of interconnecting between high speed optical equipments, optical internetworking forum had made a serial of implementation agreements of optic interlink within very short distance, namely VSR interface agreements. Its key intention is to replace high speed serial parallel optic link with low-speed parallel optic link for lower costs. VSR is a kind of physics layers transmitting technology. At present, OIF had put forward VSR interface implementation agreements of 10Gbit/s and 40Gbit/s.

为了降低不同设备间采用高速光互联的成本，光互连论坛(Optical Internetworking Forum，OIF)制订了一系列应用于甚短距离(very short reach，VSR)光互联的协议，也即是VSR接口协议，其核心是采用低速并行光链路代替高速串行的光链路，以降低成本。

The data traffic is accomplished through the SCM and RS232 serial communication interface;the LCD1602 screen is used to display the pH value in real time. The C language is adopted to prepare control procedure in the software design,and the Visual C++ software is used to prepare the computer monitoring interface,so that the teledata monitoring can be finished easily.

硬件设计以AT89S52单片机为控制核心；传感器采用pH复合电极；为了与传感器的高内阻匹配，信号调理采用CA3140、UA741等运放构成三级放大电路；利用ADC0809模数转换器实现A/D转换；通过单片机与RS232串行通信口完成数据通信；使用1602液晶器实时显示pH值。

Interface communication was adopted between each subsystem of monolithic computer and upper computer. The memory with I2C bus interface and serial LED display technique are also adopted in this system.

各单片机子系统与上位机之间采用485接口通信，系统中采用了I~2C总线接口的存储器与串行LED显示技术。

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。