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由于USB总线的诸多优点,以传统的RS-232接口为数据通信通道的外部设备正越来越多地朝着采用USB总线的方向发展,设计一种内置式或外挂式的双向RS-232/USB转换器很有必要。本文重点介绍一种以专用芯片FT8U232AM为转换控制器的最为简洁的RS-232/USB转换器设计方案。
Due to the many advantages of the USB bus, external devices that use the traditional RS-232 interface as their data communication channel are increasingly moving in the direction of adopting the USB bus. Therefore, an internal or external type bidirectional RS-232 / USB converter is necessary. This article focuses on one of the most compact RS-232 / USB converter design with a dedicated chip FT8U232AM conversion controller.