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MSM9844
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Part Number: MSM9844

Description: MSM9844 is a Voice Synthesizer LSI with on-chip FIFO memory.A newly developed synthesis algorithm, OKI ADPCM2, ...

MSM9844 General 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..

MSM9844 Maximum Ratings

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

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-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

MSM9844 Connection Diagram

MSM9844 datasheet

MSM9844
PDF/DataSheet Download

Datasheet: MSM9844
File Size: 191728 KB
Manufacturer: OKI
Click here to Download

·MSM10S0000
OKI [OKI electronic componets]
0.8um CMOS
48604 KB
·MSM13Q
OKI [OKI electronic componets]
0.35 レm Sea of Gates Arrays
232838 KB
·MSM14Q000
OKI [OKI electronic componets]
0.35 レm Sea of Gates Arrays
232838 KB
·MSM27C1602CZ
OKI [OKI electronic componets]
1,048,576-Word x 16-Bit or 2,097,152-Word x 8-Bit One Time PROM
111107 KB
·MSM27C1652CZ
OKI [OKI electronic componets]
1,048,576-Word x 16-Bit or 2,097,152-Word x 8-Bit 8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM
93703 KB
·MSM27C1655CZ
OKI [OKI electronic componets]
524,288-Double Word x 32-Bit or 1,048,576-Word x 16-Bit 4-Double Word x 32-Bit or 8-Word x 16-Bit Page Mode One Time PROM
93258 KB
·MSM27C3202CZ
OKI [OKI electronic componets]
2,097,152-Word x 16-Bit or 4,194,304-Word x 8-Bit One Time PROM
89388 KB
·MSM27C3252CZ
OKI [OKI electronic componets]
2,097,152-Word x 16-Bit or 4,194,304-Word x 8-Bit 8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM
92532 KB

Related Part Number

MSM9844 Relative Products

MSM9842
The MSM9842 is a mono/stereo playback LSI with a built-in 1K bit FIFO for easy interface with external systems or non-semiconductor memory. It utilizes multiple playback modes, including the new ADPCM2 algorithm, which allows for even higher quality sound re...
MSM9841
The MSM9841 is a mono/stereo record and playback LSI with a built-in 1K bit FIFO for easy interface with external systems or non-semiconductor memory. It utilizes multiple record and playback modes, including the new ADPCM2 algorithm, which allows for even h...
MSM9836-xxx
The MSM9836-xxx is a PCM voice synthesis IC with built-in 3-Mbit mask ROM, D/A converter, and low-pass filter (LPF).The MSM9836-xxx is specifically designed for applications that use a microcontroller.For this reason, functional support for standalone mode a...
MSM9831-xxx
MSM9831-xxx is a PCM-based Voice Synthesis LSI (Playback only) with on-chip 384Kbit Mask ROM, D/A Converter and Low-Pass Filter. Serial input interface for an external MCU makes MSM9831-xxx a better choice for size-critical applications with less wiring pin-...
MSM9810
The MSM9810 is an 8-channel mixing voice synthesis IC, to which up to 128 Mbits of ROM and/ or EPROM storing voice data can directly be connected externally.The MSM9810 is straight 8-bit PCM playback, non-linear 8-bit PCM playback, 4-bit ADPCM playback, and ...
MSM9805-xxx
The MSM9805-xxx is a PCM voice synthesis IC with built-in mask ROM.This IC MSM9805-xxx has two user selectable playback algorithms, OKI Non-linear PCM and straight PCM. It also contains a current mode 10-bit D/A converter and a low-pass filter.External contr...

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