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GENERAL DESCRIPTION

The ML2213 is an ADPCM-based Speech Synthesizer LSI with on-chip 1.5 Mbit Mask ROM for storing multiple speech data. In addition, the LSI has a built-in Music Generator circuit that can generate music by automatically acquiring user-defined musical notes data from the ROM. The ML2213 contains a 12-bit D/A Converter and Low Pass Filter, and enables a user to readily built a message and music playback sub-system by simply adding an external speaker and driving amplifier.

FEATURES

? On-Chip 1.5 Mbit Mask ROM

? Serial Interface: User-selectable Mask options for 2-pin or 3-pin interfacing

? 3 Speech Synthesis Algorithms for user selection

4-bit ADPCM/8-bit OKI Non-Linear PCM/8-bit PCM/Music

? Sampling Frequency (At 4.096 MHz External Clock)

4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.7 kHz, 12.8 kHz, 16.0 kHz

? Built-in Music Generator function

User-definable 31 musical scales, 60 musical notes, and 30 tempos

? User-defined Phrases up to 247 phrases, including music.

? Built-in 12-bit D/A Converter

? Built-in Low Pass Filter

? Driver for piezo-speaker (MD pin)

? External Clock: Frequency can be selected as Mask option

4.096 MHz, 8.192 MHz, 16.384 MHz

? Power Supply Voltage: 2.4 to 5.5 V

? Package: 24-pin plastic SOP (SOP24-P-430-1.27-K) (Product name: ML2213-xxxMA)

14-pin plastic SSOP (SSOP14-P-44-0.65-K) (Product name: ML2213-xxxMB)