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MultiTime Voice IC

AMTP32M

aMTP32M is a 8-bit MCU based Voice controller IC with embedded voice storage memory up to 11min at 6Khz, re-programmable, Key trigger, Sequential, CPU Parallel, CPU Serial, and MP3 mode can be configured according to different application requirement. More...


AMTP777 - 2 Chip Solution

aMTP777 is a 4K-byte 8-bit MCU based Voice controller IC with embedded voice storage memory. Voice data is stored in an external multiprogrammable SPI flash with 4-bit ADPCM compression at different sampling rate. 10-bit/8-bit PCM is also available to improve sound quality. There are upto nineteen programmable I/O pins. Key trigger and Parallel CPU trigger mode can be configured according to different application requirement. More...


Comparision

 IVRaMTP777aMTP32M
TypeOne Time ProgramMultiple Time Programmable
Durationupto 341 secondsupto 90 mins3 - 11 mins
Sampling Rates6-14Khz6-22Khz;
Rosc 220K to 14Khz
6 - 20Khz
Compression Type8 bit PCM
4bit-ADPCM
4bit ADPCM;
8/10 bit PCM
8 bit PCM
Internal Memoery256K/512K EEPROM4K EEPROM32m Flash
Voltage3V
External SPI Flash MemoryNone16/32/64/128 MbNone
External MCU/SPI memoryNoYesNo
PackageSOP/DIP/DieSOP/DIP/DieDIP/SOP/LQFP
Number of pins16/20/2416/20/24/2828/44
I/0 pins4-15 I/08 I/O - 4I+15 I/O4I+11 I/O
Volume LevelDAC/PWM
Programming Pins8 pins10 pins9 pins
Rosc Value610K up to 14Khz220K up to 14Khz220K to 20Khz
 More...More... More...
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    Tech Notes
  • FAQ
    PCM vs ADPCM
    Sampling rate
    Triggers Mechanism
    Triggers Options
    Rec vs OTP vs MTP

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