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MSM9844

Features: • 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-...

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SeekIC No. : 004429232 Detail

MSM9844: Features: • 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• Synthes...

MSM9844 Data Sheet

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Part Number:
MSM9844
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• 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 fOSC=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 fOSC=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


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Conditions
Rating
Unit
VDD
 Power Supply Voltage
Ta = 25°C
0.3 to +7.0
V
VIN
 Input Voltage
Ta = 25°C
0.3 to +VDD+0.3
V
TSTG
 Storage Temperature
-
55 to +150
°C



Description

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..


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