SI3056PPT3-EVB Silicon Laboratories Inc, SI3056PPT3-EVB Datasheet - Page 64
SI3056PPT3-EVB
Manufacturer Part Number
SI3056PPT3-EVB
Description
BOARD EVAL FOR DAA SI3056/SI3008
Manufacturer
Silicon Laboratories Inc
Specifications of SI3056PPT3-EVB
Main Purpose
Telecom, Data Acquisition Arrangement (DAA)
Utilized Ic / Part
Si3056
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Si3018/19/10
Register 20. Call Progress Receive Attenuation
Reset settings = 0000_0000
Register 21. Call Progress Transmit Attenuation
Reset settings = 0000_0000
64
Bit
7:0
Bit
7:0
Name
Name
Type
Type
Bit
Bit
ARM[7:0]
ATM[7:0]
Name
Name
D7
D7
D6
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
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
D6
D5
D5
D4
D4
ARM[7:0]
ATM[7:0]
R/W
R/W
D3
D3
Rev. 1.05
D2
D2
Function
Function
D1
D1
D0
D0
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