Memory system for updating firmware when SPO occurs and operating method thereof
AssigneeSK hynix Inc.
InventorJoo Young Lee
Life of this patent
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Abstract
A memory system and an operating method thereof are disclosed. An operating method of a memory system including a nonvolatile memory device and a controller configured to control the nonvolatile memory device includes the controller updating original data of firmware stored in the nonvolatile memory device, the controller transmitting a notification signal, which notifies a host device of completion of the updating of the original data, to the host device when the updating of the original data is completed, and the controller updating backup data of the firmware stored in the nonvolatile memory device after the notification signal is transmitted.
Claims16
An operating method of a memory system including a memory device and a controller, the method comprising:
- updating original data of firmware stored in the memory device;
- updating backup data of the firmware stored in the memory device;
- rebooting the memory system with updated original data when sudden power off (SPO) occurs before the updating of the backup data is completed;
- and
- updating the backup data again when the memory system reboots.
A memory system comprising:
- a memory device configured to store original data of firmware and backup data of the firmware;
- and
- a controller configured to:
- update the original data of the firmware,
- update the backup data of the firmware,
- reboot the memory system with updated original data when sudden power off (SPO) occurs before the update of the backup data is completed, and
- update the backup data again when the memory system reboots.
Dependencies are inferred from the claim text.