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ML2240 Hoja de datos - Oki Electric Industry

Número de piezaDescripción (Función)Fabricante
ML2240 4-Channel Mixing Oki ADPCM Algorithm-Based Speech Synthesis LSI OKI
Oki Electric Industry OKI
ML2240 PDF Hoja de datos : ML2240 pdf   
ML2240TB image

GENERAL DESCRIPTION
The ML2240 is a 4-channel mixing speech synthesis device which connects an external ROM expanded up to 128-Mbit (maximum). This ML2240 allows to select the playback method from the 8-bit PCM, non-linear 8-bit PCM, 16-bit PCM, 2-bit ADPCM2, and 4-bit ADPCM2 algorithms. And the sound volume is adjustable as well. The ML2240 incorporates a 14-bit D/A converter, and low-pass filter.
It is easy to configure a speech synthesizer by externally connecting a power amplifier and a CPU to the ML2240.

FEATURES
• Non-linear 8-bit PCM, 8-bit PCM, 16-bit PCM, 2-bit ADPCM2, and 4-bit ADPCM2 algorithms
• Serial input/parallel input selectable
• Phrase control table function i.e., user definable phrase control table function
• 4 channels mixing function
• Master clock frequency: 4.096 MHz
• Sampling frequency: 4.0 kHz, 5.3 kHz, 6.4 kHz, 8.0 kHz, 10.6 kHz, 12.8 kHz, 16.0 kHz, 21.3 kHz, 25.6 kHz, 32.0 kHz, 42.7 kHz, 48 kHz
• Maximum number of phrases: 256 phrases
• Sound volume adjustment function built in (4 sounds independently adjustable in 29 steps)
• External voice data can be input
• 14-bit D/A converter built in
• Built-in low-pass filter: Digital filter
• Package: 80-pin plastic TQFP (TQFP80-P-1212-0.50-K) (ML2240TB)

 

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