STORAGE CONTROLLER, STORAGE DEVICE INCLUDING THE SAME, AND OPERATION METHOD OF STORAGE CONTROLLER

A storage controller communicates with an external device including a submission queue and a completion queue. An operation method of the storage controller includes receiving a notification associated with a command from the external device, based on a first clock, fetching the command from the sub...

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Bibliographic Details
Main Authors LEE, Dong-Ryoul, EOM, KiCheol, LEEM, Hyotaek, YI, Hyun ju, SIM, Jaeho
Format Patent
LanguageEnglish
French
German
Published 15.07.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A storage controller communicates with an external device including a submission queue and a completion queue. An operation method of the storage controller includes receiving a notification associated with a command from the external device, based on a first clock, fetching the command from the submission queue, based on a second clock, performing an operation corresponding to the fetched command, based on a third clock, writing completion information to the completion queue, based on a fourth clock, and transmitting an interrupt signal to the external device, based on a fifth clock. Each of the first clock to the fifth clock is selectively activated depending on each operation phase.
Bibliography:Application Number: EP20180200565