电脑中的总线和接口是主机与外部设备间传送数据的“大动脉”,随着处理器速度的节节攀升,总线和接口的数据传输速度也需要逐步提高,否则就会成为电脑发展的瓶颈。并行数据传输技术向来是提高数据传输率的重要手段,但是,进一步发展却遇到了障碍。
本文针对单片机双向并行接口总线的长线传输技术进行了分析和讨论,并给出了解决方案,具有较高的工程实用价值。
The long line transmission technology of two-way parallel interface bus of monolithic compnters is analysed and discussed. Solutions are given, which have high value in engineering applications.
给出了PC并行口与常用I2C器件AT24C02的接口方法实例,介绍了用PC并行口模拟I2C总线控制时序的实现方法。
To provide examples about the interface of common I2C and AT24C02. And then to introduce the methods of simulating controlled I2C Bus interface with PC parallel socket.
PDIUSBD 12芯片能够实现微控制器的并行总线到总线的接口功能,使用芯片可以实现多种类型的外设。
PDIUSBD12 may be used for implementing the interface between the parallel bus of the micro-controller and USB. With PDIUSBD12, users can implement multiple classes of USB functions.
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