☆Fast realizing voice function.
☆High integration, voice chip and speaker integration, easy for user to stock and easy for engineer to use.
☆Working voltage: 2.2V~5.5V.
☆Standby mode, power saving, quiescent current less than1uA.
☆PWM audio output, can directly drive speaker and buzzer.
☆DAC audio output, can connect external amplifier.
☆High-quality ADPCM speech synthesis, can adjust sample bits to improve sound quality.
☆Precise +/-1% internal oscillation, built-in low voltage reset(LVR=1.8V) and watchdog.
☆Support BUSY output .
☆Have one-line serial port control mode, two-line serial port control, pulse control mode.