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  • Standard CMOS process.
  • Embedded 1M bits EPROM.
  • 42sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.
  • Maximum 32 voice groups.
  • Combination of voice blocks to extend playback duration.
  • 960 table entries are available for voice block combinations.
  • User selectable PCM or ADPCM data compression.
  • Two triggering modes are available (EPROM programmable options).

 ◆Key Trigger Mode       ◆CPU Parallel Trigger Mode

  • Voice Group Trigger Options: Edge/Level; Hold/Un-hold; Retrigger/Non-retrigger.
  • Whole Chip Options: Ramp / No-ramp; Output Options; Key / CPU trigger mode.
  • RST pin set to HIGH to stop playback at once.
  • Two user programmable outputs for STOP pulse, BUSY signal and flashing LED.
  • Built-in oscillator to control sampling frequency with an external resistor.
  • 2.6V – 5.0V; Wide range single power supply and < 5uA low stand-by current.
  • PWM Vout1 and Vout2 drive speaker directly.
  • D/A COUT to drive speaker through an external BJT.
  • Development System support voice compilation and options selection.

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