Combo of YMF289(OPL3-LV) and YMF288(OPN3-L)
But can't be used in concurrently.
External 16bit linear DAC needed
Bespoke for NEC
(OPL3 mode) 18ch FM(2op) (12ch shared with 4op 6ch, 3ch shared with 5ch rhythm)
(OPN3 mode) 6ch FM(4op), 6ch ADPCM rhythm
QFP44
PC-9801-118 (for PC-9801/9821 series)
Links
http://d.hatena.ne.jp/pcm1723/searchdiary?word=%2A%5BYMF297%5D