si2401 Silicon Laboratories, si2401 Datasheet - Page 47

• Manufacturer Part Number: si2401
• Description: V.22bis Isomodem With Integrated Global Daa
• Manufacturer: Silicon Laboratories

S11 (OFHI). Off-Hook Intrusion
Reset settings = 0000_0100 (0x04)
S13 (MF4). Modem Functions 4
Reset settings = 0001_0000 (0x10)
Bit
7:4
3:0
Bit
7
6
5
4
3
2
1
0
Name
Name
Type
Type
Bit
Bit
Reserved
Reserved
Reserved
Reserved
Reserved
DCL[3:0]
Name
Name
OFHD
HDEN
CIDB
BTID
D7
D7
Read returns zero.
Differential Current Level.
Differential current level to detect intrusion event (1 mA units).
Read returns zero.
BT Caller ID Wetting Pulse.
0 = Enable.
1 = Disable.
Read returns zero.
Off-Hook Intrusion Detect Method.
0 = Absolute.
1 = Differential.
Read returns zero.
British Telecom Caller ID Decode.
0 = Disable.
1 = Enable.
When set, SOC[6:5] is overwritten by the modem, as needed.
HDLC Framing.
0 = Disable.
1 = Enable.
Read returns zero.
BTID
R/W
D6
D6
R/W
D5
D5
Rev. 1.0
OFHD
R/W
D4
D4
Function
Function
D3
D3
D2
CIDB
R/W
D2
DCL[3:0]
R/W
HDEN
D1
R/W
D1
Si2401
D0
D0
47