si3019-x-fs Silicon Laboratories, si3019-x-fs Datasheet - Page 73
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si3019-x-fs
Manufacturer Part Number
si3019-x-fs
Description
Global Serial Interface Direct Access Arrangement
Manufacturer
Silicon Laboratories
Datasheet
1.SI3019-X-FS.pdf
(94 pages)
- Current page: 73 of 94
- Download datasheet (2Mb)
Register 32-37. Reserved
Reset settings = 0000_0000
Register 38. TX Gain Control 2 (Si3019 Line-Side Device Only)
Reset settings = 0000_0000
Bit
7:0
Bit
7:5
3:0
Name
Name
Type
Type
4
Bit
Bit
TXG2[3:0] Transmit Gain 2.
Reserved Read returns zero.
Reserved Read returns zero.
Name
Name
TGA2
D7
D7
Transmit Gain or Attenuation 2.
0 = Incrementing the TXG2[3:0] bits results in gaining up the transmit path.
1 = Incrementing the TXG2[3:0] bits results in attenuating the transmit path.
Each bit increment represents 1 dB of gain or attenuation, up to a maximum of +12 dB
and –15 dB respectively.
For example:
TGA2
X
0
0
0
1
1
1
D6
D6
D5
D5
TXG2[3:0]
0000
0001
11xx
0001
1111
:
:
TGA2
R/W
D4
D4
D3
D3
Rev. 1.05
Result
0 dB gain or attenuation is applied to the transmit path.
1 dB gain is applied to the transmit path.
12 dB gain is applied to the transmit path.
1 dB attenuation is applied to the transmit path.
15 dB attenuation is applied to the transmit path.
D2
D2
TXG2[3:0]
Function
Function
R/W
D1
D1
D0
D0
Si3018/19/10
73
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