SNC27P020 is a one-channel voice synthesizer IC with 12-bit PWM direct drive circuit. It built in a 4-bit tiny controller with one input port and 8 I/O ports. By programming through the tiny controller in SNC27P020, user’s varied applications including voice section combination; key trigger arrangement, output control, and other logic functions can be easily implemented. Notice: SNC27P020 is no LVD function.