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PSB4860 Datasheet(PDF) 3 Page - Siemens Semiconductor Group

Part # PSB4860
Description  Digital Answering Machine with Full Duplex Speakerphone SAM EC
Download  250 Pages
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Manufacturer  SIEMENS [Siemens Semiconductor Group]
Direct Link  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group

PSB4860 Datasheet(HTML) 3 Page - Siemens Semiconductor Group

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PSB 4860
Table of Contents
Page
Semiconductor Group
3
10.97
1Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
1.1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
1.2
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
1.3
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
1.4
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
1.5
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
1.6
System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
1.6.1
Analog Featurephone with Digital Answering Machine . . . . . . . . . . . . . . .19
1.6.2
Featurephone with Digital Answering Machine for ISDN Terminal . . . . . .21
1.6.3
DECT Basestation with Integrated Digital Answering Machine . . . . . . . . .22
2
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
2.1
Functional Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.1.1
Full Duplex Speakerphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
2.1.2
Echo Cancellation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
2.1.3
Echo Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
2.1.4
Line Echo Canceller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
2.1.5
DTMF Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
2.1.6
CNG Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
2.1.7
Alert Tone Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
2.1.8
CPT Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
2.1.9
Caller ID Decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
2.1.10
DTMF Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
2.1.11
Speech Coder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
2.1.12
Speech Decoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
2.1.13
Analog Front End Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
2.1.14
Digital Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.1.15
Universal Attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
2.1.16
Automatic Gain Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
2.1.17
Equalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
2.2
Memory Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
2.2.1
File Definition and Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
2.2.2
User Data Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
2.2.3
High Level Memory Management Commands . . . . . . . . . . . . . . . . . . . . .67
2.2.4
Low Level Memory Management Commands . . . . . . . . . . . . . . . . . . . . . .75
2.2.5
Execution Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77
2.2.6
Special Notes on File Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
2.3
Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
2.3.1
Real Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
2.3.2
SPS Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
2.3.3
Reset and Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79
2.3.4
Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
2.3.5
Abort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81


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