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MSM6585MBZXXX PDF预览

MSM6585MBZXXX

更新时间: 2024-09-30 10:45:19
品牌 Logo 应用领域
冲电气 - OKI 商用集成电路语音合成光电二极管PC
页数 文件大小 规格书
16页 273K
描述
ADPCM Voice Synthesis IC

MSM6585MBZXXX 数据手册

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FEDL6585-03  
OKI Semiconductor  
Issue Date: Aug. 25, 2004  
MSM6585  
ADPCM Voice Synthesis IC  
GENERAL DESCRIPTION  
The MSM6585 is an version-up product of the MSM5205 voice synthesis IC. Mainly improved points  
are improvement for the precision of an internal DA converter, a built-in low-pass filter, and  
expansion on the sampling frequency. The MSM6585 does not include a control circuit to drive an  
externalmemorysimilartotheMSM5205. Therefore,theMSM6585canbeconnectedwithnotonly  
semiconductor memories, but other memory media (CD-ROM, etc.) by the control of CPU.  
FEATURES  
• 4-bit ADPCM method  
• Built-in 12-bit DA converter  
• Built-in low-pass filter (LPF) (–40dB/oct)  
• Sampling frequencies: 4k/8k/16k/32kHz  
• Master clock frequency (ceramic oscillator) : 640kHz  
Voice data synthesis: Supported by voice analysis editing tool AR207  
Package options:  
18-pin plastic DIP (DIP18-P-300-2.54) (MSM6585RS)  
24-pin plastic SOP (SOP24-P-430-1.27-K) (MSM6585MAZXXX)  
30-pin plastic SSOP (SSOP30-P-56-0.65-K) (MSM6585MBZXXX)  
DIFFERENCES BETWEEN MSM6585 AND MSM5205  
MSM6585  
640kHz  
4k/8k/16k/32kHz  
4-bit  
MSM5205  
384kHz  
4k/6k/8kHz  
3-bit/4-bit  
10-bit  
• Master clock frequency:  
• Sampling frequency:  
• ADPCM bit length:  
• DA Converter:  
12-bit  
• Low-pass filter:  
Included (–40dB/oct)  
Included  
4.5 to 5.5V  
10mA  
Not included  
Not included  
3.0 to 6.0V  
4mA  
• Overflow preventing circuit:  
• Power supply voltage:  
• Operating current consumption:  
• Operating temperature:  
• D3 to D0 input timing  
–40 to +85°C  
–30 to +70°C  
VCK (O)  
D3 - D0  
input timing  
ADPCM Data  
MSM6585  
MSM5205  
1

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