Invention Application
WO2006031329A3 GENERIC UNIVERSAL SERIAL BUS DEVICE OPERABLE AT LOW AND FULL SPEED AND ADAPTED FOR USE IN A SMART CARD DEVICE
审中-公开
通用通用串行总线设备可在低速和全速下运行,并适合用于智能卡设备
- Patent Title: GENERIC UNIVERSAL SERIAL BUS DEVICE OPERABLE AT LOW AND FULL SPEED AND ADAPTED FOR USE IN A SMART CARD DEVICE
- Patent Title (中): 通用通用串行总线设备可在低速和全速下运行,并适合用于智能卡设备
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Application No.: PCT/US2005028368Application Date: 2005-08-10
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Publication No.: WO2006031329A3Publication Date: 2006-05-04
- Inventor: FRUHAUF SERGE , LEYDIER ROBERT A
- Applicant: ST MICROELECTRONICS INC , AXALTO , FRUHAUF SERGE , LEYDIER ROBERT A
- Assignee: ST MICROELECTRONICS INC,AXALTO,FRUHAUF SERGE,LEYDIER ROBERT A
- Current Assignee: ST MICROELECTRONICS INC,AXALTO,FRUHAUF SERGE,LEYDIER ROBERT A
- Priority: US93775204 2004-09-09
- Main IPC: G06F13/40
- IPC: G06F13/40 ; G06F13/38 ; G06K19/07
Abstract:
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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