SI2404 SILABS [Silicon Laboratories], SI2404 Datasheet - Page 59

• Manufacturer Part Number: SI2404
• Description: V.90, V.34, V.32BIS, V.22BIS ISOMODEM WITH GLOBAL DAA
• Manufacturer: SILABS [Silicon Laboratories]

U78 GEN3
Reset settings = 0x00XX
15:14
Name
13:8
Type
Bit
7:0
Bit
Reserved Read returns zero.
D15
IB[1:0]
IS[7:0]
Name
IB[1:0]
R/W
D14
Intrusion Blocking.
Defines the method used to block the off-hook intrusion algorithm from operation after dialing
has begun.
0 = No intrusion blocking.
1 = Intrusion disabled from start of dial to end of dial.
2 = Intrusion disabled from start of dial to IS register time-out.
3 = Intrusion disabled from start of dial to connect (“CONNECT XXX”, “NO DIALTONE”, or
“NO CARRIER”).
Intrusion Suspend (500 ms units).
When IB = 2, this register sets the length of time from when dialing begins that the off-hook
intrusion algorithm is blocked (suspended) (default = 00000000
D13
D12
D11
D10
D9
Rev. 1.0
D8
Function
D7
D6
D5
Si2457/34/15/04
D4
b
IS[7:0]
).
R/W
D3
D2
D1
D0
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