YM2420

Description

FM Operator Type-LL2

Almost same as YM2413, but only F-num register is upside down.

Spec

FM(2op) 9ch (3ch of them are shared with 5ch rhythm)

15 preset voices in ROM, 1 user specified voice

Preset voices are completely equal to ones of YM2413.

Package

DIP18

Pinout

Identical with YM2413

Used for

PortaSound PSS-140

Sholkey SHS-10

Links

http://madscient.hatenablog.jp/entry/2013/07/10/032236

https://www.youtube.com/watch?v=xpbpQTS_psc

http://airvariable.asablo.jp/blog/2012/07/01/6497570