公开(公告)号：US20220413763A1

公开(公告)日：2022-12-29

申请号：US17380002

申请日：2021-07-19

Applicant: PHISON ELECTRONICS CORP.

Inventor： Chia-Hung Chien ,  Yi-Cheng Wu ,  Chia-Hsiang Cheng

IPC: G06F3/06 ,  G06F12/02

Abstract: A mapping information management method, a memory storage device, and a memory control circuit unit are provided. The method includes: receiving a write command instructing storing of first data from a host system; storing the first data to a rewritable non-volatile memory module according to the write command; updating mapping information corresponding to the storing of the first data; storing the mapping information to the rewritable non-volatile memory module; generating assistant information according to first part information of the mapping information, where the assistant information is not stored into the rewritable non-volatile memory module; and transmitting second part information of the mapping information and the assistant information to the host system to provide information related to the storing of the first data.