V-Tec AT16/C5 Spezifikationen Seite 46
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Si2400
46 Rev. 1.3
S30 0x30 FCDH FSK connection delay high. Amount of time delay added
between end of answer tone handshake and actual modem con-
nection for FSK modem connections (256
z
5/3 ms units).
0x00
S31 0x31 RATL Receive answer tone length. Minimum length of time required
for detection of a CCITT answer tone (5/3 ms units).
0x3C
S32 0x32 OCDT The time after going off hook when the loop current sense bits
are checked for overcurrent status (5/3 ms units).
0x0C
S33 0x33 MDMO This is a bit mapped register.
1
0x80
S34 0x34 TASL Answer tone length when answering a call (5/3 ms units). This
register is only used if TATL (1E) has a value of zero.
0x5A
S35 0x35 RSOL Receive scrambled ones V.22 length (5/3 ms units). Minimum
length of time that an originating V.22 (1200 bps) modem must
detect 1200 bps scrambled ones during a V.22 handshake.
0xA2
S36 0x36 SKDTL Second kissoff tone detector length. The security modes A1 and
!1 will echo a “k” if a kissoff tone longer than the value stored in
SKDTL is detected (10 ms units.) In the !7 security mode, this
register represents a bit-mapped register.
0x30
S37 0x37 CDR Carrier detect return. Minimum length of time that a carrier must
return and be detected in order to be recognized after a carrier
loss is detected
(5/3 ms units).
0x20
S38 0x38 ARM2 This is a bit-mapped register.
1
0x38
S39 0x39 CDT Carrier detect timeout. Amount of time modem will wait for carrier
detect before aborting call (1 second units). In the !7 alarm
mode, this register functions as Handshake Tone Timeout, which
defines how long the Si2400 waits for a handshake prior to send-
ing the “N” result code.
0x3C
S3A 0x3A ATD Delay between going off-hook and answer tone generation when
in answer mode (53.33 ms units).
0x29
S3B 0x3B RP Minimum number of consecutive ring pulses per ring burst.
0x03
S3C 0x3C CIDG This is a bit mapped register.
1
0x04
S62 0x62 RC This is a bit mapped register.
1
0x00
S82 0x82 IST This is a bit mapped register.
1
0x00
S83 0x83 DCID DTMF caller ID initialization.
—
SD1 0xD1 INTS Intrusion state.
0x00
SDB 0xDB LVCS Loop voltage (on-hook)/loop current (off-hook) register
0x00
Table 27. S-Register Summary (Continued)
“S”
Register
Register
Address
(hex)
Name Function Reset
Notes:
1. These registers are explained in detail in the following section.
2. The ring detector will only detect ringing if the ring burst on/off times meet the settings in MNRP, MXRP, MNRU, ROT,
and REP.
- 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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