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.

Aplus’ aIVR is a 8-bit CPU based Voice chip series. It is fabricated with Standard CMOS process with embedded voice storage memory. It can store from 10 to 42sec voice message with 4-bit ADPCM compression at 6KHz sampling rate. 8-bit PCM is also avai.

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