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Internal part

CXD2657R

Source reference · needs review · MiniDisc Wiki, September 2026 snapshot

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Original source · Source edits are not technical review dates. Original credits and licence notes remain below.

Source: MiniDisc Wiki contributors · September 3, 2026 snapshot · CC BY 4.0, except where otherwise credited.

Attribution and changes

Adapted from “CXD2657R”. Links, layout and file names normalized; missing database fields restored; remote embeds replaced with links. Manufacturer manuals and separately credited photographs retain their original attribution.

A Sony ATRAC decoder IC, intended for playback only use cases. This was an LSI-style chip, combining MD and CD processing with a DAC, Shock-Resistant Memory Controller, and LPF all into one package. Presumably meant for use in a CD/MD combo unit, but only for playing them back.

Datasheet/Pinout