AMBE2000 datasheet(47/47 Pages) ETC

47 / 47 page

AMBE-2000™ Vocoder Chip

User’s Manual Version 3.0

page 47

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Confidential Proprietary, Subject to Change

History of Revisions

Revision Number

Date of Revision

Description

Pages

2.1

February 2001

Updated Timing Diagrams and

Tables for Channel and Codec

21, 22,

36, 37

Changed Pin Description CLK_I to

X2/CLKIN and CLK_I2 to X1

Updated timing diagram and table

for X2/CLKIN and RESETN

13,14

2.2

February 2001

Replaced …set the DTMF Code to

0x00 to …set the DTMF Code to

0xff

Company address updated

Removed description of Decoder

Output Volume Control

Modified SLEEP_EN Section 7.6.1

Modified description of EPR

11,12,21

Added Detailed Explination of Slip

Enable Control

43,44

3.0

August 2001

Added description of Decoder

Silence Detect, Decoder Frame

Repeat and Encoder DTMF Detect

bits

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