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    • 8. 发明授权
    • Method and apparatus for setting input terminals for receiving control information in a semiconductor memory device
    • 用于设置用于在半导体存储器件中接收控制信息的输入端的方法和装置
    • US07490192B2
    • 2009-02-10
    • US11192562
    • 2005-07-29
    • Satoru SugimotoKenta Kato
    • Satoru SugimotoKenta Kato
    • G06F13/00
    • G11C7/24G11C7/1078G11C7/109G11C16/06G11C16/22
    • In inputting control information for setting access conditions in a system having a common data bus (3), when a predetermined bit string making up an access condition setting command is inputted to predetermined terminals which are not data input/output terminals (S3), the predetermined terminals are set as control information input terminals (S5) and inputted control information is temporarily maintained in a non-volatile memory device (S13). When inputting of control information is completed (S15), the control information that has been temporarily maintained is stored in a non-volatile memory region all at once (S17). During an access condition setting operation, the data input/output terminals are released (S7) and the data bus (3) is made available to other banks or devices (2) so that data transfer efficiency of the system can be improved.
    • 在输入具有公共数据总线(3)的系统中设定存取条件的控制信息时,当构成访问条件设定指令的规定位串被输入到不是数据输入输出端子的规定端子(S3)时, 将预定端子设置为控制信息输入端子(S5),并将输入的控制信息暂时保持在非易失性存储器件中(S13)。 当控制信息的输入完成(S15)时,暂时保持的控制信息一次存储在非易失性存储区域(S17)。 在访问条件设置操作期间,数据输入/输出端被释放(S7),数据总线(3)可用于其他存储体或设备(2),从而可以提高系统的数据传输效率。