Specifications

Si2404
54 Rev. 0.91
Reset settings = 0x0000
U78 GEN3
Bit D15D14D13D12D11D10D9 D8D7D6D5D4D3D2D1D0
Name IB[1:0] IS[7:0]
Type R/W R/W
Bit Name Function
15:14 IB[1:0] 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”).
13:8 Reserved
Read returns zero.
7:0 IS[7:0] 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
b
).