SI3056-FS Silicon Laboratories Inc, SI3056-FS Datasheet - Page 75

• Manufacturer Part Number: SI3056-FS
• Description: IC ISOMODEM DAA SYS-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3056-FS

• Data Format: V.92
• Interface: Serial
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Baud Rates: -

Register 40. TX Gain Control 3 (Si3019 Line-Side Device Only)
Reset settings = 0000_0000
Bit
7:5
3:0
Name
Type
4
Bit
TXG3[3:0] Transmit Gain 3.
Reserved Read returns zero.
Name
TGA3
D7
Transmit Gain or Attenuation 3.
0 = Incrementing the TXG3[3:0] bits results in gaining up the transmit path.
1 = Incrementing the TXG3[3:0] bits results in attenuating the transmit path.
Each bit increment represents 0.1 dB of gain or attenuation, up to a maximum of 1.5 dB.
For example:
TGA3
X
0
0
0
1
1
1
D6
D5
TXG3[3:0]
0000
0001
1111
0001
1111
:
:
TGA3
R/W
D4
D3
Rev. 1.03
Result
0 dB gain or attenuation is applied to the transmit path.
0.1 dB gain is applied to the transmit path.
1.5 dB gain is applied to the transmit path.
0.1 dB attenuation is applied to the transmit path.
1.5 dB attenuation is applied to the transmit path.
D2
TXG3[3:0]
Function
R/W
D1
D0
Si3018/19/10
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