Memory error correction method, memory controller and electronic equipment

Abstract

The invention provides a memory error correction method, a memory controller and electronic equipment, and the method comprises the steps: carrying out the unified reading and writing of a plurality of channels of a memory in a precise synchronization mode, wherein the memory is a memory with a redundancy ratio greater than or equal to 1: 4; and reading data of each memory particle in each channel, when wrong memory particles are found through an ECC error correction algorithm according to the read data, replacing the wrong memory particles with redundant memory particles, and performing useless processing on the wrong memory particles. In this way, redundant memory particles are adopted to replace wrong memory particles to work, and therefore normal operation of the channel can be guaranteed. Each channel is replaced by redundant memory particles, so that error correction of a plurality of wrong memory particles can be realized in the implementation process.

Description

technical field [0001] The present application relates to the technical field of memory, in particular, to a memory error correction method, memory controller and electronic equipment. Background technique [0002] In the computer field, memory is one of the important components in the computer. All programs in the computer run in the memory, and its function is to temporarily store the calculations in the CPU (Central Processing Unit / Processor, central processing unit) data, and data exchanged with external storage such as hard drives. As long as the computer is running, the CPU will transfer the data that needs to be calculated into the memory for calculation, and when the calculation is completed, the CPU will transmit the result. Therefore, the reliability of data in memory is crucial to the performance of the entire system and directly affects the operation of the entire system. [0003] For this reason, ECC (Error Correction Code, Error Correction Code) technology is...

AI Technical Summary

Problems solved by technology

[0004] Although the ECC error correction technology has certain error checking and error correction capabilities, the error correction capability is only applicable to the case where there is only one faulty memory particle in the memory. If there are currently two or more faulty memory particles in the memory In some cases, the correct data cannot be corrected by applying the ECC error correction process

That is, the error correction capability of the ECC error correction process is limited to the case where there is only one faulty memory particle in the memory. The error correction capability is limited and cannot meet the requirements for memory reliability in practical applications.

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