ML22Q665-NNNTBZ0BX

4-channel mixing speech synthesis LSI with a flash memory for sound data. It is equipped with an I2C interface. It adopts a HQ-ADPCM*1, 16bit D/A converter and low-pass filter for high sound quality, and incorporates a 1.0W mono speaker amplifier for driving speakers directly. It is also equipped with a function to detect failure. The functions necessary for sound output are integrated into a single chip, so that sound functions can be realized simply by adding this LSI.

• 16Mbits flash memory capacity
• Maximum sound production time of 652s at fs=8.0KHz/326s at fs =16.0KHz/163s at fs =32.0KHz
• Edit ROM function, playback function
• Low-pass filter, 16bit D/A converter
• Power-supply voltage range from 2.7V to 5.5V
• Master clock frequency of 4.096MHz, 4.000MHz
• Clock back-up function, failure detection function
• I2C interface

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