... OTP voice chip, IC chip, voice chips, sound chip, sound ics Features*170s durations at 6KHz. Sampling rate ... bits DAC audio output. Built-in PSG(Programmable Sound Generator)*Optional PWM and DAC audio output*Mute will ... .*BUSY pin can be setted to high or low level.*Built-in direct drive speaker circuit.*Operating ... to 3.6V*In standby, the consumption is low as 2uA , one second after stop working or ...