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MSM6895 PDF预览

MSM6895

更新时间: 2024-02-16 06:57:15
品牌 Logo 应用领域
冲电气 - OKI 解码器编解码器PC
页数 文件大小 规格书
43页 221K
描述
Multi-Function PCM CODEC

MSM6895 技术参数

生命周期:Obsolete零件包装代码:QFP
包装说明:QFP,针数:80
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.81压伸定律:MU-LAW
滤波器:NOJESD-30 代码:R-PQFP-G80
长度:20 mm功能数量:1
端子数量:80工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:-10 °C
封装主体材料:PLASTIC/EPOXY封装代码:QFP
封装形状:RECTANGULAR封装形式:FLATPACK
认证状态:Not Qualified座面最大高度:2.5 mm
标称供电电压:5 V表面贴装:YES
电信集成电路类型:PCM CODEC温度等级:COMMERCIAL
端子形式:GULL WING端子节距:0.8 mm
端子位置:QUAD宽度:14 mm
Base Number Matches:1

MSM6895 数据手册

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E2U0022-28-81  
This version: Aug. 1998  
Previous version: Nov. 1996  
¡ Semiconductor  
MSM6895/6896  
Multi-Function PCM CODEC  
GENERAL DESCRIPTION  
The MSM6895/MSM6896, developed especially for low-power and multi-function applications  
in ISDN telephone terminals, are single +5 V power supply CODEC LSI devices. The devices  
consist of the analog speech paths directly connectable to a handset, the calling circuit directly  
connectable to a piezosounder, the push-button key scanning interface between push buttons  
and control processors, the dial tone generator, the B-channel interface, the CODEC, and the  
processor interface. The functions can be controlled via the 8-bit data bus.  
FEATURES  
• Single +5 V Power Supply  
• Low Power Dissipation  
Power ON Mode  
CODEC Power Down Mode  
• In compliance with ITU-T’s companding law  
m-law  
: 20 mW Typ. 53 mW Max.  
: 10 mW Typ. 21 mW Max.  
: MSM6895  
: MSM6896  
A-law  
• Transmission clocks  
Continuous CLK  
: 64, 128, 256 kHz  
Burst CLK  
: 192, 384, 768, 1536, 2048 kHz  
• Built-in PLL  
• Built-in Reference Voltage Supply  
• Ringing Tone  
• Ringing Tone Combination  
• Information Tone  
: Controlled by processor, 9 modes  
: Controlled by processor, 6 modes  
: Controlled by processor, 9 modes  
• Built-in PB Tone Generator  
• B-Channel Selectable  
• General Latch Output for Speech path Control  
• Watchdog Timer  
: 4 bits  
: 500 ms  
• Key Scanning I/O  
Output  
Input  
: 5 bits  
: 8 bits  
• Direct Connection to Handset  
• Built-in Preamplifier for Loudspeaker  
• Handfree Interface  
• Digital and Analog Interface for the phone-conference speech paths  
• Package:  
80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name : MSM6895GS-BK)  
(Product name : MSM6896GS-BK)  
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