GENERAL DESCRIPTION

The MSM6588/6588L is a solid-state recorder IC developed using the ADPCM method. By externally connecting a microphone, a speaker, a speaker amplifier and a serial register or other Memory device to store ADPCM data, it can record and playback voice data similar to a tape recorder.

FEATURES

? 12bit A/D converter

? 12bit D/A converter

? Microphone amplifier

? Low-pass filter (LPF)

Filter characteristics –40 dB/oct

? Serial registers

MSM6588

Up to four 1Mbit serial registers (MSM6685) can be driven directly

One 512Kbit serial register (MSM6587) can be driven directly

One 256Kbit serial register (MSM6586) can be driven directly

MSM6588L

Up to four 1Mbit serial registers (MSM63V89C) can be driven directly

? Serial Voice ROMs

1Mbit serial voice ROM (MSM6595A-xxx)

2Mbit serial voice ROM (MSM6596A-xxx)

3Mbit serial voice ROM (MSM6597A-xxx)

? Maximum recording time

262 seconds (when using 3-bit ADPCM, 5.3 kHz sampling)

? Voice triggered starting

? Pause function

? Master clock frequency: 4.096 MHz to 8.192 MHz

? Power supply voltage

MSM6588: Single 5 V Power supply

MSM6588L: Single 3 V Power supply

? Package options:

44-pin plastic QFP (QFP44-P-910-0.80-2K)(Product name: MSM6588GS-2K)

44-pin plastic QFP (QFP44-P-910-0.80-2K)(Product name: MSM6588LGS-2K)

44-pin plastic TQFP (TQFP44-P-1010-0.80-K)(Product name: MSM6588LTS-K)