发明授权
US07685328B2 Generic universal serial bus device operable at low and full speed and adapted for use in a smart card device
有权
通用通用串行总线设备，可以低速和全速工作，适用于智能卡设备
- 专利标题： Generic universal serial bus device operable at low and full speed and adapted for use in a smart card device
- 专利标题（中）： 通用通用串行总线设备，可以低速和全速工作，适用于智能卡设备
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申请号： US10937752申请日： 2004-09-09
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公开(公告)号： US07685328B2公开(公告)日： 2010-03-23
- 发明人: Serge Fruhauf , Robert A. Leydier
- 申请人： Serge Fruhauf , Robert A. Leydier
- 申请人地址： US TX Carrollton FR
- 专利权人： STMicroelectronics, Inc.,Axalto
- 当前专利权人： STMicroelectronics, Inc.,Axalto
- 当前专利权人地址： US TX Carrollton FR
- 代理商 Lisa K. Jorgenson; Christopher F. Regan
- 主分类号： G06F3/00
- IPC分类号： G06F3/00 ; G06F13/00 ; G06F13/20
摘要：
A USB device, integrated circuit, smart card and method are disclosed. A USB transceiver is connected to a data interface and operable at a respective low speed and full speed configuration. A processor as a USB device controller is operatively connected to the low speed USB transceiver and full speed USB transceiver and operable for transmitting a different device descriptor to a USB host for performing an enumeration depending on whether a low speed or high speed operation is chosen.
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