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M5218 参数 Datasheet PDF下载

M5218图片预览
型号: M5218
PDF下载: 下载PDF文件 查看货源
内容描述: ADPCM语音分析/合成IC [ADPCM Voice Analysis/Synthesis IC]
分类和应用: PC
文件页数/大小: 6 页 / 242 K
品牌: OKI [ OKI ELECTRONIC COMPONETS ]
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¡ Semiconductor
¡ Semiconductor
MSM5218
ADPCM Voice Analysis/Synthesis IC
MSM5218
GENERAL DESCRIPTION
The MSM5218 is a complete voice analysis/synthesis IC featuring the Adaptive Differential Pulse
Code Modulation (ADPCM) method of data compression. The MSM5218 contains an analysis stage
where serial PCM data is compressed to 3- or 4-bit parallel ADPCM data. In addition, a synthesis
stage synthesizes PCM data from ADPCM data.
FEATURES
• ADPCM data compatible with OKI's synthesis IC MSM5205
• Analysis/synthesis switching pin provided
• Lower power consumption achieved by one-chip CMOS IC
• Built-in 10-bit D/A converter for analog output
• Variable sampling frequency (4 kHz, 6 kHz, 8 kHz)
• Master clock frequency: 384 kHz
• Package: 24-pin plastic DIP (DIP24-P-600) (Product name: MSM5218RS)
BLOCK DIAGRAM
V
DD
BIN/TOC
12-bit
S•R
f
SI
SICK
ADSI
SCON
XT
XT
S
1
S
2
VCK
RESET
T
1
T
2
V
SS
DAS
10
ADPCM
Synthesizer
12
12-bit
S•R
SOCK
10-bit
DAC
DAOUT
12
ADPCM
Analyzer
4B/3B
ANA/SYN
D
3
D
2
D
1
D
0
OSC
Timing
Circuit
MSB/SO