si3201 Silicon Laboratories, si3201 Datasheet - Page 52

• Manufacturer Part Number: si3201
• Description: Proslic Programmable Cmos Slic With Ringing/battery Voltage Generation
• Manufacturer: Silicon Laboratories

Si3230
Register 20. Interrupt Status 3
Reset settings = 0000_0000
Reset settings = 0000_0000
52
Name
Name
Type
Type
Bit
7:3
Bit
Bit
2
1
0
Reserved
DTMFP
CMCP
Name
D7
D7
INDP
D6
D6
Read returns zero.
Common Mode Calibration Error Interrupt.
This bit is set when off-hook/on-hook status changes during the common mode balance
calibration. Writing 1 to this bit clears a pending interrupt.
0 = No interrupt pending.
1 = Interrupt pending.
Indirect Register Access Serviced Interrupt.
This bit is set once a pending indirect register service request has been completed. Writ-
ing 1 to this bit clears a pending interrupt.
0 = No interrupt pending.
1 = Interrupt pending.
DTMF Tone Detected Interrupt (Si3230 and Si3211 only).
Writing 1 to this bit clears a pending interrupt.
0 = No interrupt pending.
1 = Interrupt pending.
Si3212 = Reserved; read returns 0.
D5
D5
Si3230/Si3211
Preliminary Rev. 0.96
Si3212
D4
D4
D3
D3
Function
CMCP
CMCP
R/W
R/W
D2
D2
INDP
INDP
R/W
R/W
D1
D1
DTMFP
R/W
D0
D0