aIVR4208 cpu equivalent, 8-bit cpu.
Standard CMOS process. Embedded EPROM. Embedded 8-bit MCU. 10, 21 and 42sec voice duration at 6 KHz sampling with 4-bit ADPCM compression. Combination of voice building b.
Built-in resistor controlled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize t.
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