• 100% Compatible to aP89XXX SKIDIP 24/SOP 28.
• Standard CMOS process.
• Embedded 8M EPROM.
• 341sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.
• Maximum 1024 voice groups.
• Combination of voice blocks to extend playback duration.
• 7680 table entries are available for voice block combinations.
• User selectable PCM 16-bits, PCM 8-bits, u-Law or ADPCM data compression.
• Six triggering modes are available (controlled by M1 and M0 input pins):

     ◆aP89 Compatible Mode   ◆Key Trigger Mode      
     ◆CPU Parallel Mode          ◆Power on Play Mode    
     ◆CPU SPI/I2C interface     ◆Mp3 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,external Crystal or internal resistor.
• 2.2V – 5V single power supply and < 5uA low stand-by current.
• PWM Vout1 and Vout2 drive speaker directly with large volume.
• 16-bits D/A COUT pin drives speaker through an external BJT or Amplifier. 
• Development System support voice compilation.
• Up to 16 levels volume control