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  • Working voltage: 2.4V~5.2V.
  • In standby mode, quiescent current less than 5uA (After the voice playback is completed, the
  • DATA/CLK signal line can stay at a stable level for about 2 seconds to sleep)
  • Accurate +/-1% internal oscillation, with low voltage reset (LVR=1.8V) watchdog timing
  • PWM audio output, able to drive 8Ω/0.5W speaker and buzzer directly; DAC audio output, able to have
  • external amplifier.
  • Built in watchdog.
  • With serial port control mode: count pulse, button, one-line serial port, two-line serial port (up to 224
  • voices can be loaded, detailed explanation will be provided later)
  • Support output function in BUSY state(The BUSY pin of the standard program defaults to high level,
  • and it is low level during voice playback. In addition, in the serial port control mode, only when the
  • voice chip receives the correct voice address sequence BUSY pin will there be a level

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