ML22Q321

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: Interface: Maximum event count: Source oscillation frequency: Power supply voltage: Flash memory rewrite cycles Operating temperature range: Package: Product name: 4-bit ADPCM2 8-bit/16-bit straight PCM system 8-bit nonlinear PCM system HQ-ADPCM(*1) (...