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E2U0022-28-81

隆 Semiconductor

MSM6895/6896

隆 Semiconductor

Multi-Function PCM CODEC

This version: Aug. 1998

MSM6895/6896

Previous version: Nov. 1996

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

鈥?Single +5 V Power Supply

鈥?Low Power Dissipation

Power ON Mode

: 20 mW Typ. 53 mW Max.

CODEC Power Down Mode

: 10 mW Typ. 21 mW Max.

鈥?In compliance with ITU-T鈥檚 companding law

m-law

: MSM6895

A-law

: MSM6896

鈥?Transmission clocks

Continuous CLK

: 64, 128, 256 kHz

Burst CLK

: 192, 384, 768, 1536, 2048 kHz

鈥?Built-in PLL

鈥?Built-in Reference Voltage Supply

鈥?Ringing Tone

: Controlled by processor, 9 modes

鈥?Ringing Tone Combination

: Controlled by processor, 6 modes

鈥?Information Tone

: Controlled by processor, 9 modes

鈥?Built-in PB Tone Generator

鈥?B-Channel Selectable

鈥?General Latch Output for Speech path Control

: 4 bits

鈥?Watchdog Timer

: 500 ms

鈥?Key Scanning I/O

Output

: 5 bits

Input

: 8 bits

鈥?Direct Connection to Handset

鈥?Built-in Preamplifier for Loudspeaker

鈥?Handfree Interface

鈥?Digital and Analog Interface for the phone-conference speech paths

鈥?Package:

80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name : MSM6895GS-BK)

(Product name : MSM6896GS-BK)

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• MSM6150
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• MSM6240
  英文版
  DOT MATRIX LCD CONTROLLER
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• MSM6250
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• MSM6252
  英文版
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  OKI
  MSM6252
• MSM6255
  英文版
  DOT MATRIX LCD CONTROLLER
  OKI
  MSM6255
• MSM6262
  英文版
  OKI electronic componets [DOT MATRIX LCD CONTROLLER WITH 48...
  OKI
  MSM6262
• MSM6295
  英文版
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  OKI
  MSM6295
• MSM6295
  英文版
  4-CHANNEL MIXING ADPCM VOICE SYNTEHSIS LSI
  4-CHANNEL MIXIN...
  MSM6295
• MSM6307
  英文版
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  OKI
  MSM6307
• MSM6309
  英文版
  OKI electronic componets [SOLID STATE RECORDING LSI(FOR 256...
  OKI
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• MSM6322
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  OKI
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• MSM6338
  英文版
  OKI electronic componets [MSM6338]
  OKI
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• MSM6351
  英文版
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  OKI
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