以W77E58和MAX3100芯片为例，首先介绍了一种利用单片机I/O接口软件模拟串行外设接口（SPI）的方法。
Taking W77E58 and MAX3100 as example, the paper introduces a method of using I/O interface of singlechip to simulate Serial Peripheral Interface (SPI) at first.
通过SRU连接的外设包括但不限于：串行接口、SPI端口模块。
Peripherals connected through the SRU include, but are not limited to, serial ports and SPI ports block.
通用串行总线(usb)是目前PC外设接口的主流总线标准，并迅速在工业自动化仪器仪表中得到应用。
USB (Universal Serial bus) is a mainstream bus standard of PC peripheral interface, which extends its applications to industrial automatic instruments.
通用串行总线(usb)是计算机外设接口的发展趋势，文中介绍了一种把usb总线应用于视频监视和会议系统中的方案。
Universal Serial Bus (USB) makes the connection between computers and peripherals easier, an application of USB in a new video Surveillance and Conferencing System is introduced.
通用串行总线是外围设备与计算机进行连接的新型接口，是计算机外设连接技术的重大变革。
USB, namely Universal Serial Bus, is a novel interface connecting computer and peripheral equipments and is a great innovation in the connecting techniques of the peripheral equipments of computers.
它是一种可以同时处理计算机与具有USB接口的多种外设之间通信的电缆总线，USB已成为目前PC标准的通用串行总线。
It is a kind of cable bus which can process the communications between computer and peripheral equipments. USB is a general serial bus with PC standard.
采集卡利用一种高集成度的USB转UART桥接器CP2101芯片实现了通用串行总线（USB）接口方式，可实现计算机外设的即插即用特性。
The board communicate with computer through the Universal Serial Bus(USB) by using CP2101, a highly-integrated USB-to-UART Bridfe Controller, which can realize Pcperpheral's plug & play.
采集卡利用一种高度集成的USB转UART桥接器CP2101芯片实现了通用串行总线（USB）接口方式，可实现计算机外设的即插即用特性。
The board communicates with computer through the Universal Serial Bus(USB) by using CP2101, a highly-integrated USB-to-UART bridge chip, which can realize PC peripherals plug&play.
USB(通用串行总线)具有传输速度快、可靠性高、使用灵活等优点，作为一种通信接口规范，他被广泛地应用在PC外设和便携式系统中。
USB (Universal Serial Bus) possesses good characteristics such as fast transmission, high reliability and flexibility. It has been widely used in the PC peripheral devices and potable system.
USB(通用串行总线)具有传输速度快、可靠性高、使用灵活等优点，作为一种通信接口规范，他被广泛地应用在PC外设和便携式系统中。
USB (Universal Serial Bus) possesses good characteristics such as fast transmission, high reliability and flexibility. It has been widely used in the PC peripheral devices and potable system.
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