Datasheet > MSM5218

MSM5218

更新时间： 2024-11-25 22:45:55

品牌	Logo	应用领域
冲电气 - OKI		PC
页数	文件大小	规格书
6页	242K
描述
ADPCM Voice Analysis/Synthesis IC

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MSM5218 数据手册

¡ Semiconductor

MSM5218

¡ Semiconductor

MSM5218

ADPCM Voice Analysis/Synthesis IC

GENERAL DESCRIPTION

The MSM5218 is a complete voice analysis/synthesis IC featuring the Adaptive Differential Pulse

CodeModulation(ADPCM)methodofdatacompression. TheMSM5218containsananalysisstage

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

4B/3B

ANA/SYN

BIN/TOC

D₃

D₂

D₁

D₀

12-bit

S•R

ADPCM

Analyzer

SICK

ADSI

SCON

10-bit

DAC

DAOUT

ADPCM

Synthesizer

OSC

MSB/SO

Timing

Circuit

S₁

S₂

VCK

12-bit

S•R

RESET

SOCK

T₁T₂

V_SS

DAS

12 3 4 5 6

中文翻译

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