Importance

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Abstract

A memory controller that suppresses noise generated when data is transferred to a memory, includes a write part portion that writes transmission data into the memory, and a read portion that reads data from the memory. The write portion includes a substitution unit that substitutes, when a linear sequence of a bit of “1” and a bit of “0” of a bit string configuring data transmitted through the signal line is a target pattern set as a substitution target, a substitutional bit string that suppresses noise for the bit string, before the transmission data is written into the memory. The read portion includes a restoration unit that restores a substitutional bit string read from the memory to an initial bit string.

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First Claim