V-Tec AT16/C5 Dokumentacja Pobierz pdf (Strona 77)

Si2400

Rev. 1.3 77

Reset settings = 0010_0000

(0x20)

SF9 (DAA9). DAA Low Level Functions 9 Read Only

BitD7D6D5D4D3D2D1D0

Name

OVL BTD ROV

Type RRR

Bit Name Function

7 Reserved Read returns zero.

6OVL

Receive Overload (see “Appendix A—DAA Operation”).

Same as ROV, except non-sticky.

5:4 Reserved Do Not Modify.

3BTD

Billing Tone Detect (sticky). (See “Appendix A—DAA Operation”.)

0 = No billing tone detected.

1 = Billing tone detected.

2 Reserved Read returns zero.

1ROV

Receive Overload (sticky) (see “Appendix A—DAA Operation”).

0 = No excessive level detected.

1 = Excessive input level detected.

0 Reserved Read returns zero.

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 93 94

Features 1
Applications 1
Description 1
Functional Block Diagram 1
2 Rev. 1.3 2
TABLE OF CONTENTS 3
1. Electrical Specifications 4
Table 2. Loop Characteristics 5
Table 3. DC Characteristics 6
Table 4. DC Characteristics 6
Table 5. AC Characteristics 7
for K-Grade, T 8
–40 to 85°C for B-Grade) 8
= –40 to 85°C for B-Grade) 9
10 Rev. 1.3 10
3. Bill of Materials 11
12 Rev. 1.3 12
4. Analog Input/Output 13
5. Functional Description 14
5.1. Digital Interface 15
16 Rev. 1.3 16
5.3. Low Power Modes 17
5.4. Global DAA Operation 17
18 Rev. 1.3 18
Rev. 1.3 19 19
20 Rev. 1.3 20
5.6. Loop Current Detection 21
5.7. Carrier Detect/Loss 21
5.8. Overcurrent Detection 21
5.11. PCM Data Mode 23
Figure 10. Signal Routing 24
5.12. Analog Codec 25
5.14. V.42 HDLC Mode 26
5.15. Fast Connect 27
Table 16. MCKR Configurations 28
6.1. Command Line Execution 29
30 Rev. 1.3 30
6.4. S-Register Control 31
32 Rev. 1.3 32
6.5.4. A1 34
6.5.5. !2 34
6.5.6. !7 34
Table 19. !7 Parameters 35
Figure 12. !7 Security Timing 36
Progress 37
S19 S1A S1B S16 S17 S18 38
Table 23. DTMF 39
7.1. DSP Registers 40
SE8 SE6 SE5 41
DSP Reg. Addr 41
7.2. Call Progress Filters 42
8. S Registers 43
44 Rev. 1.3 44
Rev. 1.3 45 45
46 Rev. 1.3 46
Rev. 1.3 47 47
50 Rev. 1.3 50
Rev. 1.3 51 51
52 Rev. 1.3 52
Rev. 1.3 53 53
54 Rev. 1.3 54
Rev. 1.3 55 55
56 Rev. 1.3 56
58 Rev. 1.3 58
Kissoff Tone Detect Length) 58
Rev. 1.3 59 59
60 Rev. 1.3 60
Rev. 1.3 61 61
62 Rev. 1.3 62
Rev. 1.3 63 63
Rev. 1.3 65 65
66 Rev. 1.3 66
Rev. 1.3 69 69
70 Rev. 1.3 70
Rev. 1.3 71 71
72 Rev. 1.3 72
Rev. 1.3 73 73
74 Rev. 1.3 74
Rev. 1.3 75 75
76 Rev. 1.3 76
Rev. 1.3 77 77
DAA Isolation Barrier 78
Emissions/Immunity 78
DC Termination 79
AC Termination 80
Ringer Impedance 80
DTMF Dialing 80
Pulse Dialing 80
Billing Tone Detection 80
Symbol Value 81
In-Circuit Testing 82
Compliance Test Commands 83
Introduction 84
APPENDIX C—UL1950 3RD EDITION 85
9. Pin Descriptions: Si2400 86
Rev. 1.3 87 87
10. Pin Descriptions: Si3015 88
Receive Input 89
Filter 2 89
Pin # Pin Name Description 89
11. Ordering Guide 90
Millimeters 91
Revision 1.1 to Revision 1.2 92
Revision 1.2 to Revision 1.3 92
Rev. 1.3 93 93
CONTACT INFORMATION 94

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