ML22Q321/321 ADPCM Speech Synthesis LSI FEDL22321-01 Issue Date:Mar 23, 2015 GENERAL DESCRIPTION The ML22321/ML22Q321, which include mask ROM and Flash memory for storing speech data, respectively, are speech synthesis LSIs which can control speech playback utilizing a serial interface.
It includes speaker amplifier and 16bit DA Converter, so it is possible to have high quality sound and solution for playback with 1chip.
• Playback Time Product Name ML22Q321/321 Capasitance of ROM(bit) 920K Maximum Playback time(s) （Fsam=8.
0kHz） HQ-ADPCM 4bitADPCM2 16bitPCM 36.
8 29.
4 7.
3 • Speech sysnthesis system: • Speech ROM capacity • Sampling frequency: • Volume control function: • Analog output: ...

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