SONiX SNC204
SNC204 is a single channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit I/O port. By programming through the tiny controller in SNC204, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.FEATURES
..................................................................................................................2 BLOCK DIAGRAM ....................................................................................................3 PIN ASSIGNMENT.....................................................................................................3 FUNCTION DESCRIPTIONS ...................................................................................4 OSCILLATOR ...............................................................................................................4 ROM ..........................................................................................................................4 RAM ..........................................................................................................................4 POWER DOWN MODE ..................................................................................................4 SAMPLING RATE COUNTERS .......................................................................................4 EVENT MARK...................................................................