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MSM9844 Datasheet(PDF) 1 Page - OKI electronic componets

Part No. MSM9844
Description  VOICE SYNTHESIS LSI with on-chip FIFO Memory
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSM9844 Datasheet(HTML) 1 Page - OKI electronic componets

 
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¡ Semiconductor
VOICE SYNTHESIS LSI with on-chip FIFO Memory
MSM9844
Version1.20, Jun.16, 1999
Page1
• General Description
• Features
MSM9844 is a Voice Synthesizer LSI with on-chip FIFO memory.
A newly developed synthesis algorithm, OKI ADPCM2, promises superb sound quality. The LSI is fully
controllable from an external CPU via 16/8-bit bus interface.
MSM9844 is an ideal choice for application systems where such non-microchip data storage as CD ROM is
used..
• 16/8-bit Bus Interface
• On-chip FIFO Memory Capacity : 1024 Bits 23 ms Buffering
When Sampling Frequency at 8.0 kHz, 4-bit ADPCM and Monaural Playback selected
• Synthesis Algorithms for User's Selection
4,5,6,7,8-bit OKI ADPCM2
4-bit OKI ADPCM
8/16-bit Straight PCM
8-bit OKI Non-Linear PCM
• Oscillation Clock Frequency: 16.9344 MHz / 24.576 MHz
• Sampling Frequency:
11.025 kHz, 22.05 kHz, 44.1 kHz at f
OSC
=16.9344 MHz
4.0 kHz, 6.4 kHz, 8.0 kHz, 12.8 kHz, 16.0 kHz, 32.0 kHz, 48.0 kHz at f
OSC
=24.576 MHz
• Sound Level Control (8 levels, 0dB ~ -21dB)
• Built-in 14-bit D/A Converter
• 3 types of Serial Interface for External DAC
• Sampling Rate Conversion Function
• Packaging: 56-pin Plastic QFP (QFP56-P-910-0.65-2K)
Product Code: MSM9844GA


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