proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/Writer/AIVR20W.jpg
Dimension: 12.4cm x 9.7cm x 4.2cm

P/N: aIVR20W (PCB NO: 7181)
TO burn the dat file into IC
Feature USB PORT
OS Win XP , Win 7
User Manual English version


proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/Demodoard/aivr_dbs.jpg
Dimension: 38mm x 51mm

                                   P/N: aIVRDBS
User Manual English version

proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/Demodoard/aivr_db16.jpg

                                    P/N: aIVR_DB16
User Manual English version

proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/copier/aivr1to8-copier.jpg
proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/copier/aIVR20C8-SOP(16PIN).jpg

P/N: aIVR20C8-DIP / aIVR20C8-SOP16
User Manual English version

Standard CMOS process.

Embedded EPROM.

Embedded 8-bit MCU.

10sec voice duration at 6 KHz sampling with 4-bit ADPCM compression.

Combination of voice building blocks to extend playback duration.

Table entries are available for voice block combinations.

User selectable PCM or ADPCM data compress.

Voice Group Trigger Options: Edge/Level; Hold/Un-hold; Retrigger/Non-retrigger.

Programmable I/Os, Timer Interrupt and Watch Dog Timer.

Built-in oscillator with fixed Rosc, software control sampling frequency.

2.2V – 3.6V single power supply and < 5uA low stand-by current.

PWM Vout1 and Vout2 drive speaker directly.

D/A COUT with ramp-up ramp-down option to drive speaker through an external


    proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/aivr1004_BLOCK_DIAGRAM.jpg

    proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/aivr1004_typical_application-1.jpg

        proimages/Otp Voice Ic/aIVR Family Mcu Vioce/aIVR1004/aIVR1004/aivr1004_typical_application-2.jpg

    proimages/Otp Voice Ic/aMTP777_11H/未命名.PNG

      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 10sec voice message with 4-bit ADPCM compression at 6KHz sampling rate. 8-bit
      PCM is also available as user selectable option to improve sound quality. Depending on IC body, there are up to twelve
      programmable I/O pins.  Key trigger and Parallel CPU trigger mode can be configured according to different application
      requirement.User selectable triggering and output signal options provide maximum flexibility to various applications.Built-in
      resistor controlled oscillator, 8-bit current mode D/A output and PWM direct speaker driving output minimize the number of 
      external components.