| CPC G11C 7/1063 (2013.01) [G11C 7/106 (2013.01); G11C 7/1066 (2013.01); G11C 7/1069 (2013.01)] | 25 Claims |
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21. A controller comprising:
a nonvolatile memory interface circuit connected to a nonvolatile memory device through a plurality of control pins and data lines and configured to control the nonvolatile memory device; and
a memory device configured to store plane number information about the nonvolatile memory device,
wherein the nonvolatile memory interface circuit is configured to:
transmit an extended status check command to the nonvolatile memory device to determine a plane status of the nonvolatile memory device,
toggle a read activation signal to correspond to the plane number information, and
receive plane status information about the nonvolatile memory device through the data lines based on a data strobe signal corresponding to toggling of the read activation signal.
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