aP89170 otp equivalent, voice otp.
* Standard CMOS process.
* Embedded 8M/4M/2M EPROM.
* 341/170/85 sec Voice Length at 6KHz sampling and 4-bit ADPCM compression.
* Maximum 254 voice groups.
Built-in resistor controlled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize t.
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