设计了一种基于串口扩展卡的分布式步进电机控制系统。
A distributed stepper motor control system based on serial-port extender card is designed.
使用GM 8123高速串口扩展芯片扩展核心微处理器串口，实现多模块控制。
Additionally, the serial port of MPU are extended by GM8123 to realize multi-module control.
文中详细讨论了USB到RS232的转换技术，以及RS232多串口扩展技术的硬件和软件的设计。
It presented the hardware principle and the software design method and discussed the technique of the USB - RS232 converting and the RS232 extending in detail.
采用89c51单片机，串口扩展芯片8251、中断扩展芯片8259等器件设计了一种指令格式转换器。
A dictate converter has been designed by using chip computer 89c51, serial extended chip 8251, interrupted extended chip 8259, and so on.
硬件设计着重介绍了利用单片机、M22手机模块和串口扩展芯片GM 8125搭建的嵌入式短消息处理器。
Hardware desiring emphasized how to construct an embedded short message server used single chip computer, M22 module, and serial port extend chip GM8125.
分别介绍了主控制器电路、串口扩展电路、RS- 485集成收发器等的设计方法，以及电路芯片的选取。
The design methods of main controller circuit, serial port expanding circuit, RS-485 integrated transceiver, etc., are introduced as well as their chips.
经实验验证，该方案通信可靠，满足系统要求，对串口扩展及其他接口设计均有一定的启迪作用和较高的参考价值。
It's testified that it communicates reliably, satisfies the request of system, there are some edificatory effect and great referenced value in serial interface extend and other interface design.
基于GM 8123芯片建立的数据检测系统，提出了运用串口扩展技术提高数据传输速率，进而实现系统对数据的高速采集和处理。
A design method of data test system based on GM8123 is provided, which applies serial port expansion technologies to realize data transfer, acquisition and processing with high speed.
介绍了一种用单片机（89C2051）实现的异步串口扩展技术，这种方法成本低，可以提供大容量的输入输出FIFO，而且对传输的数据有预处理能力。
This paper introduces an extended serial communication technique using 89C2051. It can provide I/O FIFO of high capacity. Data are pretreated before transmission.
其总线(变成了S- 100)扩展到足够大量供应商为18槽系统开发卡片(如串口卡和磁盘控制器)，并使其成为一台有用的计算机。
Its bus, which became the S-100, was extensible enough that numerous vendors developed CARDS for the 18-slot system (such as serial CARDS and disk controllers), making it a useful computer.
本系统CPU采用AT 89s51，通过程序存贮器、数据存贮器、串口和并口的扩展，可以完成控制、计算、存贮和通讯等功能。
The system adopted AT89S51 CPU, which can finish controlling, computing, storing and communication functions through extending program memory, data memory, serial port and parallel port.
医学影像处理系统以PXA255处理器的最小系统为核心，扩展了程序存储器、数据存储器、UART串口、USB和以太网接口。
The medical image processing system, which centers on the least system of the PXA255 processor, is expanded by adding program memory, data memory, UART, USB and Ethernet interface.
在论文中讨论了系统的硬件设计和软件设计：硬件设计包括外围存储器的扩展、巴特沃斯虑波器的设计、防干扰的隔离串口的设计等；
In this paper, it discuss the hardware design and software design of the system. In hardware design, it mainly includes peripheral memory, low Butterworth filter, isolated serial port.
本文论述了基于DSP的嵌入式系统中智能串口和1553总线扩展的研究与实现。
The research and implementation about intelligent serial and 1553 bus expansion, which is on the basis of DSP embedded system, is presented in this thesis.
系统通过扩展存储容量使测试记录数可达上万条，并且能通过串口把数据上传到计算机中进行进一步处理。
The system makes the record number reach ten thousand through extending the storage capability, and can upload the data to the computer through the serial port for a further processing.
通过串口与上位机通讯，以实现对显示内容的更改、扩展。
It can modify and extend the con-tents of display, through serial communication with computers.
DSP数字控制平台以TMS320VC33作为核心处理器，扩展了串口和并口以采集和发送信息。
Digital control platform of the DSP USES the TMS320VC33 as its kernel processor, it also expands serial port and parallel port to collect and send out information.
通过异步扩展芯片TL16C554实现了扩展4路串口，并完成4路信号的实时接收和发送，实现了集中器与4个子机的远距离通信；
In this paper, four serial ports were expanded by TL16C554 and remote communication between repeaters and four slaves was realized.
转换器信号的接收与发送是通过不同串口进行，所以有必要扩展串口来解决串口太少的问题。
It is necessary to expand the serial ports, because the signals of the data converter are received and sent through different serial ports.
嵌入式系统的各个串口资源分别连接到计算机多串口转换卡扩展的各个串口，计算机测试系统和多串口转换卡相连。
The each serial port resource of the inset-type system connects with each patulous serial port of the computer multi-serial port switching card and the computer detecting system also connects with it.
嵌入式系统的各个串口资源分别连接到计算机多串口转换卡扩展的各个串口，计算机测试系统和多串口转换卡相连。
The each serial port resource of the inset-type system connects with each patulous serial port of the computer multi-serial port switching card and the computer detecting system also connects with it.
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