- Standard CMOS process.
- Embedded 512K bits EPROM.
- 21Sec Voice Length at 6 KHz sampling and 4-bit ADPCM compression.
- Maximum 12 voice groups.
- Combination of voice building blocks to extend playback duration.
- 960 table entries are available for voice block combinations.
- User selectable PCM or ADPCM data compress.
- Two triggering modes are available by whole chip option during voice compilation.
◆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.
- Three user programmable outputs for STOP plus, 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 to drive speaker through an external BJT.
- Development System support voice compilation and options selection.