A Sony ATRAC3Plus (Hi-MD) IC that is mostly undocumented, as it only was used in 2 different MD devices during its lifespan.
CXD2683-225G Pinout and Schematic
| Page | Device type | Release date |
|---|---|---|
| Sony MZ-DH10P | portable | 2005/03 |
| Sony CMT-AH10 | bookshelf | 2005/05 |
This IC has two (currently known) revisions, as seen below: