PSB21382 INFINEON [Infineon Technologies AG], PSB21382 Datasheet - Page 7
PSB21382
Manufacturer Part Number
PSB21382
Description
Siemens Codec with S/T Transceiver
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PSB21382.pdf
(270 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSB21382H
Manufacturer:
INFINEON
Quantity:
32
Company:
Part Number:
PSB21382H
Manufacturer:
infineon
Quantity:
200
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4.2.1
4.2.2
4.2.3
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.4
4.4.1
4.4.2
4.4.3
4.4.3.1
4.4.3.2
4.4.4
4.4.4.1
4.4.4.2
4.4.4.3
4.4.5
4.4.6
4.5
4.6
4.7
4.8
4.8.1
4.8.1.1
4.8.2
4.8.2.1
4.8.3
5
5.1
5.1.1
5.1.2
5.1.3
6
6.1
6.2
6.3
6.4
Data Sheet
Table of Contents
Tone Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Speakerphone Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Controlled Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Voice Data Manipulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Test Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
Programming of the Codec
Clock Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .169
Jitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
Reset Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .172
External Reset Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Software Reset Register (SRES) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Pin Behavior during Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .173
Transmit Signal Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Receive Signal Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Programmable Coefficients for Transmit and Receive . . . . . . . . . . . . .124
Four Signal Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Sequence Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Control Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Tone Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Tone Level Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
DTMF Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Attenuation Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
Speakerphone Test Function and Self Adaption . . . . . . . . . . . . . . . . . .136
Speech Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Speech Comparators (SC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
Automatic Gain Control of the Receive Direction (AGCR) . . . . . . . . . . .147
Speakerphone Coefficient Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Indirect Programming of the Codec (SOP, COP, XOP) . . . . . . . . . . . .155
Direct Programming of the Codec . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Reference Tables for the Register and CRAM Locations . . . . . . . . . . .160
Jitter on IOM-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Jitter on S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Jitter on MCLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .170
Background Noise Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137
Signal Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Speech Comparator at the Acoustic Side (SCAE) . . . . . . . . . . . . . . .139
Speech Comparator at the Line Side (SCLE) . . . . . . . . . . . . . . . . . .142
Automatic Gain Control of the Transmit Direction (AGCX) . . . . . . . .144
Description of the Command Word (CMDW) . . . . . . . . . . . . . . . . . . .156
CRAM Back-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
PSB 21381/2
PSB 21383/4
2001-03-12
Page
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