Patent ID: 11954020
Assignee: HEFEI CORE STORAGE ELECTRONIC LIMITED
Field: Computer technology (Electrical engineering)
Classification: CPC G  Y | IPC G

Claim 12:
13. A memory control circuit unit configured to control a rewritable non-volatile memory module comprised in a memory storage device, wherein the memory control circuit unit comprises:
a host interface configured to be coupled to a host system;
a memory interface configured to be coupled to the rewritable non-volatile memory module;
a thermal sensor; and
a memory management circuit coupled to the host interface, the memory interface, and the thermal sensor,
wherein the memory management circuit is configured to measure a temperature through the thermal sensor to obtain a first temperature value, and determine whether the first temperature value is greater than a first threshold value,
the memory management circuit is further configured to, in response to determining that the first temperature value is greater than the first threshold value, perform a speed-down operation to reduce an access speed of the memory storage device to a first speed,
the memory management circuit is further configured to, when the memory storage device performs data access at the first speed, measure the temperature through the thermal sensor to obtain a second temperature value, and determine whether the second temperature value is less than a second threshold value,
the memory management circuit is further configured to, in response to determining that the second temperature value is less than the second threshold value, calculate a first temperature change rate within a specific time range, and determine a first adjustment percentage according to the first temperature change rate, and
the memory management circuit is further configured to calculate a second speed according to the first speed and the first adjustment percentage, and adjust the access speed of the memory storage device to the second speed.