参数资料
型号: SI3011-F-FS
厂商: Silicon Laboratories Inc
文件页数: 128/128页
文件大小: 0K
描述: IC VOICE DAA GCI/PCM/SPI 16SOIC
标准包装: 48
系列: ISOcap™
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
Si3050 + Si3011/18/19
Rev. 1.5
99
Reset settings = xxxx_xxxx
Register 59. Spark Quenching Control
Bit
D7D6D5D4D3D2D1D0
Name
SQ1
SQ0
RG1
GCE
Type
R/W
Bit
Name
Function
7
Reserved Always write this bit to zero.
6SQ1
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
OHS2
SQ[1:0]
Mean On-Hook Speed
0
00
Less than 0.5 ms
0
1
00
3 ms±10% (meets ETSI standard)
1
X
11
26 ms ±10% (meets Australia spark quenching spec)
For Si3011 line-side device, always write this bit to zero.
5
Reserved Always write this bit to zero.
4SQ0
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
OHS2
SQ[1:0]
Mean On-Hook Speed
0
00
Less than 0.5 ms
0
1
00
3 ms±10% (meets ETSI standard)
1
X
11
26 ms ±10% (meets Australia spark quenching spec)
For Si3011 line-side device, always write this bit to zero.
3
Reserved Always write this bit to zero.
2RG1
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.
1GCE
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
Reserved Always write this bit to zero.
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