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参数资料
| 型号： | SI3050-E1-FT |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 128/128页 |
| 文件大小： | 0K |
| 描述： | IC VOICE DAA SYSTEM SIDE 20TSSOP |
| 标准包装： | 74 |
| 系列： | * |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SI3050-E1-FTR | 制造商:Silicon Laboratories Inc 功能描述:Voice DAA Chipset 20-Pin TSSOP T/R 制造商:Silicon Laboratories Inc 功能描述:SI3050 VOICE DAA SYSTEM-SIDE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:3.3VH PROGRAMMABLE VOICE DAA SYSTM-SIDE 制造商:Silicon Laboratories Inc 功能描述:IC VOICE DAA SYSTEM SIDE 20TSSOP 制造商:Silicon Laboratories Inc 功能描述:Si3050 Voice DAA System-Side |
| Si3050-E1-GM | 功能描述:电信线路管理 IC System-side Voice DAA RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| SI3050-E1-GMR | 制造商:Silicon Laboratories Inc 功能描述:SI3050 VOICE DAA SYSTEM-SIDE - LEAD-FREE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC VOICE DAA SYSTEM SIDE 24QFN 制造商:Silicon Laboratories Inc 功能描述:Si3050 Voice DAA System-Side |
| Si3050-E1-GT | 功能描述:电信线路管理 IC System-side Voice DAA RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray |
| SI3050-E1-GTR | 制造商:Silicon Laboratories Inc 功能描述:SI3050 VOICE DAA SYSTEM-SIDE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC VOICE DAA SYSTEM SIDE 24QFN 制造商:Silicon Laboratories Inc 功能描述:Si3050 Voice DAA System-Side |
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