SI3018FS Silicon Laboratories Inc, SI3018FS Datasheet - Page 76

• Manufacturer Part Number: SI3018FS
• Description: DAA - MODEM FA19 TELECOM/DATACO
• Manufacturer: Silicon Laboratories Inc

Si3018/19/10
Register 41. RX Gain Control 3 (Si3019 Line-Side Device Only)
Reset settings = 0000_0000
Register 42. Reserved
Reset settings = 0000_0000
76
Bit
7:5
3:0
Bit
7:0
Name
Name
Type
4
Type
Bit
Bit
RXG3[3:0] Receive Gain 3.
Reserved Read returns zero.
Reserved Read returns zero.
Name
RGA3
Name
D7
D7
Receive Gain or Attenuation 2.
0 = Incrementing the RXG3[3:0] bits results in gaining up the receive path.
1 = Incrementing the RXG3[3:0] bits results in attenuating the receive path.
Each bit increment represents 0.1 dB of gain or attenuation, up to a maximum of 1.5 dB.
For example:
RGA3
X
0
0
0
1
1
1
D6
D6
D5
D5
RXG3[3:0]
0000
0001
1111
0001
1111
:
:
RGA3
R/W
D4
D4
D3
D3
Rev. 1.05
Result
0 dB gain or attenuation is applied to the receive path.
0.1 dB gain is applied to the receive path.
1.5 dB gain is applied to the receive path.
0.1 dB attenuation is applied to the receive path.
1.5 dB attenuation is applied to the receive path.
D2
D2
RXG3[3:0]
Function
Function
R/W
D1
D1
D0
D0