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    • 1. 发明申请
    • METHOD AND CONTROLLER FOR PERFORMING A COPY-BACK OPERATION
    • 用于执行复印操作的方法和控制器
    • WO2011090545A3
    • 2012-04-12
    • PCT/US2010057386
    • 2010-11-19
    • SANDISK TECHNOLOGIES INCSELINGER ROBERT DLIN GARYLASSA PAULWANG CHAOYANG
    • SELINGER ROBERT DLIN GARYLASSA PAULWANG CHAOYANG
    • G06F11/10
    • G06F11/1068G06F11/1016G06F2213/0038G11C29/76
    • The embodiments described herein provide a method and controller for performing a copy-back command. In one embodiment, a controller receives the data and error correction code associated with a copy-back operation from at least one flash memory device. The controller determines if the error correction code indicates there is an error in the data. If the error correction code does not indicate there is an error in the data, the controller sends a destination address and copy-back program command received from a host to the at least one flash memory device. If the error correction code indicates there is an error in the data, the controller corrects the data and sends the destination address, the corrected data, and a program command to the at least one flash memory device. Additional embodiments relate to modifying data during the copy-back operation.
    • 这里描述的实施例提供了用于执行复制命令的方法和控制器。 在一个实施例中,控制器从至少一个闪存设备接收与复制操作相关联的数据和纠错码。 控制器确定纠错码是否指示数据中有错误。 如果错误校正码不表示数据存在错误,则控制器将从主机接收的目的地地址和复制程序命令发送到至少一个闪存设备。 如果纠错码指示数据中存在错误,则控制器校正数据并将目的地地址,校正数据和程序命令发送到至少一个闪存设备。 另外的实施例涉及在复制操作期间修改数据。