si2401 Silicon Laboratories, si2401 Datasheet - Page 43

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

Reset settings = 0000_0000 (0x00)
S08 (INTM). Interrupt Mask
Bit
7
6
5
4
3
2
1
0
Name
Type
Bit
WORM
OCDM
PPDM
NVDM
REVM
Name
CIDM
CDM
RIM
CDM
R/W
D7
Carrier Detect Mask.
0 = Change in CD does not affect INT.
1 = A high to low transition in CD (S09, bit 7), which indicates loss of carrier, activates
INT.
Wake-on-Ring Mask.
0 = Change in CD does not affect INT.
1 = A low to high transition in WOR (S09, bit 6) activatesINT.
Parallel Phone Detect Mask.
0 = Change in PPD does not affect INT.
1 = A low to high transition in PPD (S09, bit 5) activates INT.
No Phone Line Detect Mask.
0 = Change in NLD does not affect INT.
1 = A low to high transition in NLD (S09, bit 4) activates INT.
Ring Indicator Mask.
0 = Change in RI does not affect INT.
1 = A low to high transition in RI (S09, bit 3) activates INT.
Caller ID Mask.
0 = Change in CID does not affect INT.
1 = A low to high transition in CID (S09, bit 2) activates INT.
Overcurrent Detect Mask.
0 = Change in OCD does not affect INT.
1 = A low to high transition in OCD (S09, bit 1) activates INT.
V.23 Reversal Detect Mask.
0 = Change in REV does not affect INT.
1 = A low to high transition in REV (S09, bit 0) activates INT.
WORM
R/W
D6
PPDM
R/W
D5
Rev. 1.0
NVDM
R/W
D4
Function
RIM
R/W
D3
CIDM
R/W
D2
OCDM
R/W
D1
Si2401
REVM
R/W
D0
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