●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.