Invention Grant
- Patent Title: Mapping information recording method, memory control circuit unit, and memory storage device
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Application No.: US17553664Application Date: 2021-12-16
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Publication No.: US11748026B2Publication Date: 2023-09-05
- Inventor: Qi-Ao Zhu , Jing Zhang
- Applicant: Hefei Core Storage Electronic Limited
- Applicant Address: CN Anhui
- Assignee: Hefei Core Storage Electronic Limited
- Current Assignee: Hefei Core Storage Electronic Limited
- Current Assignee Address: CN Anhui
- Agency: JCIPRNET
- Priority: CN 2111266749.7 2021.10.28
- Main IPC: G06F3/06
- IPC: G06F3/06

Abstract:
A mapping information recording method for a rewritable non-volatile memory module is provided. The rewritable non-volatile memory module includes multiple physical erasing units, and each of the physical erasing unit includes multiple physical programming units. The mapping information recording method includes: receiving first continuous data from a host system, wherein the host system instructs to store the first continuous data to a first continuous logical address; establishing a continuous mapping table to record a start logical address of the first continuous logical address, a length of the first continuous logical address, and a bitmap; writing the first continuous data into first physical programming units; and marking bits of virtual blocks corresponding to the first continuous logical address in the bitmap as a valid state, numbering the virtual blocks, and recording the numbers into the continuous mapping table.
Public/Granted literature
- US20230132837A1 MAPPING INFORMATION RECORDING METHOD, MEMORY CONTROL CIRCUIT UNIT, AND MEMORY STORAGE DEVICE Public/Granted day:2023-05-04
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