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  • Standard CMOS process.
  • Embedded 2M EPROM.
  • 85sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.
  • Maximum 254 voice groups.
  • Combination of voice blocks to extend playback duration.
  • 7680 table entries are available for voice block combinations.
  • User selectable PCM or ADPCM data compression.
  • Three triggering modes are available (controlled by M1 and M0 input pins):

 ◆Key Trigger Mode       ◆CPU Parallel Mode      ◆CPU Serial Mode

  • Voice Group Trigger Options: Edge/Level; Hold/Un-hold; Retrigger/Non-retrigger.
  • Whole Chip Options:Ramp/No-ramp; Output Options; Long/Short debounce time.
  • Optional 16ms or 65us (@ 8KHz sampling rate) selectable debounce time.
  • RST pin set to HIGH to stop the playback at once.
  • Three user programmable outputs for STOP pulse,BUSY signal and flashing LED.
  • Built-in oscillator to control sampling frequency with an external resistor.
  • 2.2V – 3.6V single power supply and < 5uA low stand-by current.
  • PWM Vout1 and Vout2 drive speaker directly.
  • D/A COUT pin drives speaker through an external BJT.
  • Development System support voice compilation.

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