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參數(shù)資料
| 型號(hào)： | MSM9842 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Playback LSI with Built-in FIFO |
| 中文描述： | 播放芯片與內(nèi)置的FIFO |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 124K |
| 代理商： | MSM9842 |
1/9
Semiconductor
MSM9842
FEDL9842-02
GENERAL DESCRIPTION
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 reproduction. The
playback function of the MSM9842 is controlled by an MCU via 8/16-bit bus interface.
FEATURES
16/8-bit bus interface support
FIFO capacity: User-definable (256/512/1024 bits)
(buffering time of 32 ms when using 8 kHz sampling frequency, 4-bit ADPCM2/ADPCM, and
in monaural playback)
Supports four compression algorithms for playback:
4, 5, 6, 7, 8-bit ADPCM2; 4-bit ADPCM; 8; 16-bit PCM; and 8-bit Nonlinear PCM
Sampling frequency: 4.0 kHz, 6.4 kHz, 8.0 kHz, 12.8 kHz, 16.0 kHz, 32.0 kHz (fosc=4.096 MHz)
Sampling frequency: 22.05 kHz, 44.1 kHz (fosc=5.6448 MHz)
DMA interface support
Volume control (8 steps: 0 dB to –21 dB)
Built-in 14-bit D/A converter
Built-in low pass filter (LPF)
Power supply voltage: 2.7 V to 5.5 V
Package:
56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name: MSM9842GA)
Playback LSI with Built-in FIFO
This document contains minimum specifications. For full specifications, please contact your
nearest Oki office or representative.
This version: Jul. 2000
Previous version: May 1998
FEDL9842-02
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM9842GAZ010 | 制造商:ROHM Semiconductor 功能描述: |
| MSM9842GAZ03A-7 | 功能描述:電信語音調(diào)制 IC Voice synthesis IC w/FIFO, Ext Memory RoHS:否 制造商:Epson Electronics America 產(chǎn)品: 應(yīng)用:Voice Guidance product 封裝 / 箱體:PQFP-52 電源電壓-最大:3.6 V, 5.5 V 最大工作溫度: 最小工作溫度: 封裝: |
| MSM9842GAZ03B-7 | 制造商:ROHM Semiconductor 功能描述: |
| MSM9844 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:VOICE SYNTHESIS LSI with on-chip FIFO Memory |
| MSM9844GA | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:VOICE SYNTHESIS LSI with on-chip FIFO Memory |
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