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发明授权
US08001304B2 Portable memory device with multiple I/O interfaces wherein each I/O interface has respective protocol and device parameters are requested from one I/O interface using only respective protocol 有权
具有多个I / O接口的便携式存储器件，其中每个I / O接口具有相应的协议和设备参数，仅使用相应协议从一个I / O接口请求

Portable memory device with multiple I/O interfaces wherein each I/O interface has respective protocol and device parameters are requested from one I/O interface using only respective protocol
摘要：
A non-volatile storage device has first and second controllers that provide external access to non-volatile memory using different protocols. In response to a request from the first controller, the second controller retrieves parameters from the non-volatile memory and provides the retrieved parameters to the first controller. In one embodiment, the device parameters are USB descriptors, which may include a vendor ID, a product ID, a product string, and/or a serial number. The first controller may be a Universal Serial Bus (USB) card reader controller. Examples of the second controller include a Secure Digital (SD) controller, a CompactFlash (CF) controller, a MemoryStick controller, or a different type of controller that is able to provide external access to the non-volatile memory. The first controller provides the device parameters to a host during enumeration of the non-volatile storage device. The device parameters may be used to establish settings for the first controller.
摘要（中）：

非易失性存储设备具有使用不同协议提供对非易失性存储器的外部访问的第一和第二控制器。 响应于来自第一控制器的请求，第二控制器从非易失性存储器检索参数，并将所检索的参数提供给第一控制器。 在一个实施例中，设备参数是USB描述符，其可以包括供应商ID，产品ID，产品串和/或序列号。 第一控制器可以是通用串行总线（USB）读卡器控制器。 第二控制器的示例包括安全数字（SD）控制器，CompactFlash（CF）控制器，MemoryStick控制器或能够提供对非易失性存储器的外部访问的不同类型的控制器。 第一控制器在枚举非易失性存储设备期间向主机提供设备参数。 设备参数可用于建立第一控制器的设置。

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