Package
Label (top):
NINTENDO S-DSP (M) (C) SONY '89 MWP131U6X
Die
Size: ? x ? um
Text:
(M) (C) SONY '89 D1222
This roughly matches up with Nintendo's internal part number (per leaked SNES schematics) of CxD1222
Map
Top metal @ mit20x: http://siliconpr0n.org/map/nintendo/s-dsp/mcmaster_mz_mit20x/
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