YAMAHA's original FM sound generator function Built-in sequencer Capable of producing up to 4 different sounds simultaneously (4 independent timbres available). Built-in .

including ringing and holding melody sounds. The built-in Yamaha's original FM synthesizer can create various timbres, a.

of YMU757B.………………………………………………………………3
* Block description……..…………………………………………………………………………4
* Pin configuration…..……………………………………………………………………………5
* Pin description….………………………………………………………………………………6
* Block diagram…..………………………………………………………….

YMU759

YMU762

YMU765

YMU769

YMU251XX

YM-12864C-2

YM-1602C

YM-1602L

YM-4004A

YM12864-75

YM12864C

YM12864C-2

YM12864P