SI3019-F-GSR Silicon Laboratories Inc, SI3019-F-GSR Datasheet - Page 78
![IC VOICE DAA GCI/PCM/SPI 16SOIC](/photos/6/80/68073/16-soic__3_9mmwidth__sml.jpg)
SI3019-F-GSR
Manufacturer Part Number
SI3019-F-GSR
Description
IC VOICE DAA GCI/PCM/SPI 16SOIC
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3019-F-GSR.pdf
(112 pages)
Specifications of SI3019-F-GSR
Function
Data Access Arrangement (DAA)
Interface
GCI, PCM, SPI
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
8.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Includes
Line Voltage Monitor, Loop Current Monitor, Overload Detection, Parallel Handset Detection, Polarity Reversal Detection, TIP and
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / RoHS Status
Supplier Unconfirmed, Lead free / RoHS Compliant
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Si3050 + Si3018/19
Register 24. Ring Validation Control 3
Reset settings = 0001_1001
Register 25. Resistor Calibration
Reset settings = xx0x_xxxx
78
Bit
5:0
Bit
3:0
7
6
7
6
5
4
Name
Name
Type
Type
Bit
Bit
RCAL[3:0] Always write back the value read.
Reserved
RCALM
RCALS
RCALD
Reserved
Name
RAS[5:0]
RNGV
Name
RCALS
RNGV
R/W
D7
D7
R
Resistor Auto Calibration.
0 = Resistor calibration is not in progress.
1 = Resistor calibration is in progress.
Manual Resistor Calibration.
0 = No calibration.
1 = Initiate manual resistor calibration. (After a manual calibration has been initiated, this bit
must be cleared within 1 ms.)
Resistor Calibration Disable.
0 = Internal resistor calibration enabled.
1 = Internal resistor calibration disabled.
This bit can be written to a 0 or 1.
Ring Validation Enable.
0 = Ring validation feature is disabled.
1 = Ring validation feature is enabled in both normal operating mode and low-power
mode.
This bit must always be written to 0.
Ring Assertion Time.
These bits set the minimum ring frequency for a valid ring signal. During ring qualification,
a timer is loaded with the RAS[5:0] field upon a TIP/RING event and decrements at a reg-
ular rate. If a second or subsequent TIP/RING event occurs after the timer has timed out
then the frequency of the ring is too low and the ring is invalidated. The difference between
RAS[5:0] and RMX[5:0] identifies the minimum duration between TIP/RING events to qual-
ify as a ring, in binary-coded increments of 2.0 ms (nominal). A TIP/RING event typically
occurs twice per ring tone period. At 20 Hz, TIP/RING events would occur every
1/(2 x 20 Hz) = 25 ms. To calculate the correct RAS[5:0] value for a frequency range
[f_min, f_max], the following equation should be used:
RCALM
R/W
D6
D6
RCALD
R/W
D5
D5
Rev. 1.31
RAS 5:0
D4
D4
Function
Function
------------------------------------------ -
2 f_min
D3
D3
RAS[5:0]
1
R/W
2 ms
D2
D2
RCAL[3:0]
R/W
D1
D1
D0
D0
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