US 12,216,938 B2
Interworking method external device and storage device
In Jong Jang, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Jun. 5, 2023, as Appl. No. 18/328,780.
Claims priority of application No. 10-2022-0159094 (KR), filed on Nov. 24, 2022.
Prior Publication US 2024/0176542 A1, May 30, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0659 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0679 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A memory controller comprising:
a first interface configured to communicate with an external device;
a second interface configured to communicate with a memory;
a command queue configured to store commands received from the external device; and
a processor configured to perform a control operation according to a command stored in the command queue, and suspend the performance of the control operation according to the command for a waiting time corresponding to a value of a mutex counter for the command, when a mutex flag for the command is activated.