参数资料
型号: SI3050-E1-FT
厂商: Silicon Laboratories Inc
文件页数: 105/128页
文件大小: 0K
描述: IC VOICE DAA SYSTEM SIDE 20TSSOP
标准包装: 74
系列: *
Si3050 + Si3011/18/19
78
Rev. 1.5
Reset settings = 0000_0000
Register 20. Call Progress RX Attenuation
Bit
D7D6D5D4D3
D2
D1D0
Name
ARM[7:0]
Type
R/W
Bit
Name
Function
7:0
ARM[7:0]
AOUT Receive Path Attenuation.
When decremented from the default setting, these bits linearly attenuate the AOUT
receive path signal used for call progress monitoring. Setting the bits to all 0s mutes the
AOUT receive path.
Attenuation = 20 log(ARM[7:0]/64)
1111_1111 = +12 dB (gain)
0111_1111 = +6 dB (gain)
0100_0000 = 0 dB
0010_0000 = –6 dB (attenuation)
0001_0000 = –12 dB
...
0000_0000 = Mute
Register 21. Call Progress TX Attenuation
Bit
D7
D6D5D4D3D2
D1D0
Name
ATM[7:0]
Type
R/W
Bit
Name
Function
7:0
ATM[7:0]
AOUT Transmit Path Attenuation.
When decremented from the default settings, these bits linearly attenuate the AOUT trans-
mit path signal used for call progress monitoring. Setting the bits to all 0s mutes the AOUT
transmit path.
Attenuation = 20 log(ATM[7:0]/64)
1111_1111 = +12 dB (gain)
0111_1111 = +6 dB (gain)
0100_0000 = 0 dB
0010_0000 = –6 dB (attenuation)
0001_0000 = –12 dB
...
0000_0000 = Mute
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