发明申请
US20050154799A1 Switching device for RS-232 serial port and USB serial port
有权
用于RS-232串行端口和USB串行端口的开关设备
- 专利标题: Switching device for RS-232 serial port and USB serial port
- 专利标题(中): 用于RS-232串行端口和USB串行端口的开关设备
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申请号: US11016744申请日: 2004-12-21
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公开(公告)号: US20050154799A1公开(公告)日: 2005-07-14
- 发明人: Ya-Tsung Feng , Ming-Hung Chueh , Yu-Shan Liu , Yao-Jen Chang
- 申请人: Ya-Tsung Feng , Ming-Hung Chueh , Yu-Shan Liu , Yao-Jen Chang
- 申请人地址: TW Hsintien City
- 专利权人: UIS Abler Electronics Co., Ltd.
- 当前专利权人: UIS Abler Electronics Co., Ltd.
- 当前专利权人地址: TW Hsintien City
- 优先权: TW93200297 20040108
- 主分类号: G06F3/00
- IPC分类号: G06F3/00 ; G06F13/00 ; G06F13/40
摘要:
A switching device for RS-232 serial port and USB serial port is adapted to simultaneously provide a RS-232 serial port and a USB serial port for a micro-processor with a single USART. The switching device can automatically switch to select either of the RS-232 serial port or the USB serial port as a main interface for communicating with other external computer facilities and related peripheries. When one of the serial ports is selected as the main communication interface to communicate with one of external computers, the other one serial port thereof still can transmit signals from the micro-processor to another computer through its transmitting data pin (TXD).
公开/授权文献
- US07398336B2 Switching device for RS-232 serial port and USB serial port 公开/授权日:2008-07-08