YM2203 Datasheet - Yamaha

YM2203 FM Operator

OF TERMINAL FUNCTION 1. M This is the master clock of the OPN. The FM sound source and square wave ~und source operate, based on this clock. The maximum input frequency up to 4.2MHz can be input by using a built-in 1/ 6 divider. 2. S *SH These are the clock (s) and the synchronous signa.

YM2203 Features

* The FM system sound source produce three different sounds simultaneously.

* One of the above three sounds can be set to the mode by which specific sound effects and composite sine wave sound are synthesized.

* Two programmable timers are incorporated.

* 8 bits general purpose input/out

YM2203-Yamaha.pdf