SI3050-E-FM Silicon Laboratories Inc, SI3050-E-FM Datasheet - Page 99
SI3050-E-FM
Manufacturer Part Number
SI3050-E-FM
Description
IC VOICE DAA GCI/PCM/SPI 24-QFN
Manufacturer
Silicon Laboratories Inc
Series
-r
Datasheet
1.SI3050-E-FM.pdf
(128 pages)
Specifications of SI3050-E-FM
Function
Data Access Arrangement (DAA)
Interface
GCI, PCM, SPI
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
8.5mA
Power (watts)
*
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Includes
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Register 59. Spark Quenching Control
Reset settings = xxxx_xxxx
Name
Bit
Type
7
6
5
4
3
2
1
0
Bit
Reserved Always write this bit to zero.
Reserved Always write this bit to zero.
Reserved Always write this bit to zero.
Reserved Always write this bit to zero.
Name
GCE
RG1
SQ1
SQ0
D7
Spark Quenching. Si3018 and Si3019 line-side only.
This bit, in combination with the OHS bit (Register 16), and the OHS2 bit (Register 31), sets
the amount of time for the line-side device to go on-hook. The on-hook speeds specified are
measured from the time the OH bit is cleared until loop current equals zero.
OHS
For Si3011 line-side device, always write this bit to zero.
Spark Quenching. Si3018 and Si3019 line-side only.
This bit, in combination with the OHS bit (Register 16), and the OHS2 bit (Register 31), sets
the amount of time for the line-side device to go on-hook. The on-hook speeds specified are
measured from the time the OH bit is cleared until loop current equals zero.
OHS
For Si3011 line-side device, always write this bit to zero.
Receive Gain 1 (Line-side Revision E or later).
This bit enables receive path gain adjustment.
0 = No gain applied to hybrid, full scale RX on line = 0 dBm.
1 = 1 dB of gain applied to hybrid, full scale RX on line = –1 dBm.
Guarded Clear Enable (Line-side Revision E or later).
This bit (in conjunction with the R2 bit set to 1) enables the Si3050 to meet BT’s Guarded
Clear Spec (B5 6450, Part 1: 1993, Section 15.4.3.3). With these bits set, the DAA will draw
approximately 2.5 mA of current from the line while on-hook.
0 = Default, DAA does not draw loop current.
1 = Guarded Clear enabled, DAA draws 2.5 mA while on-hook to meet Guarded Clear
requirement.
0
0
1
0
0
1
SQ1
R/W
D6
OHS2
OHS2
0
1
X
0
1
X
D5
SQ[1:0]
SQ[1:0]
00
00
11
00
00
11
Rev. 1.4
SQ0
R/W
D4
Mean On-Hook Speed
Less than 0.5 ms
3 ms±10% (meets ETSI standard)
26 ms ±10% (meets Australia spark quenching spec)
Mean On-Hook Speed
Less than 0.5 ms
3 ms±10% (meets ETSI standard)
26 ms ±10% (meets Australia spark quenching spec)
Function
Si3050 + Si3011/18/19
D3
RG1
R/W
D2
GCE
R/W
D1
D0
99
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