The device's default behavior when connected over USB is to serve as a mass storage device.

在通过USB进行连接时，这个设备的默认行为是作为一个大容量存储设备使用。

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Introduce the USB device genus (Mass Storage) and how to realize the USB interface in the embedded system.

介绍US B设备类(以海量存储类协议为主)以及如何在嵌入式系统中实现USB接口。

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USB mass storage pen-drive, or flash-disk,... It prevents data loss against the removing of the mass storage device connected to a computer.

US B大容量存储笔驱动器或闪存盘，…它可以防止数据丢失对连接到计算机的大容量存储设备的移除。

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USB mass storage pen-drive, or flash-disk,... It prevents data loss against the removing of the mass storage device connected to a computer.

US B大容量存储笔驱动器或闪存盘，…它可以防止数据丢失对连接到计算机的大容量存储设备的移除。

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