Description
The MSM 9888L is a recording and playback IC that is controlled by the micro-controller in serial mode, compresses voice with the Oki ADPCM system with high tone quality, and directly stores voice data inthe serial voice flash momory.
Features
- Voice analyzing and synthesizing system : 4-bit OKI ADPCM system.
- 8-bit OKI non-linear PCM system (for ROM playback only).
- Built-in 12-bit A/D.
- D/A converter.
- Built-in LPF : Attenuation rate.
- 40 dB/oct.
- Sampling frequency (for 4.096 MHz of source oscillation frequency) : 2.0 kHz, 2.7 kHz, 3.2kHz, 4.0 kHz, 5.3 kHz, 6.4 kHz, 8 kHz.
- External memory for variable message : 1Mb, 2Mb, 4Mb, 8Mb, serial voice flash memory.
- Recor.
MSM9888L Datasheet
