SI3050-KT Silicon Laboratories Inc, SI3050-KT Datasheet - Page 85

• Manufacturer Part Number: SI3050-KT
• Description: IC VOICE DAA GCI/PCM/SPI 20TSSOP
• Manufacturer: Silicon Laboratories Inc
• Type: Chipsetr

Specifications of SI3050-KT

• Package / Case: 20-TSSOP
• Function: Data Access Arrangement (DAA)
• Interface: PCM, Serial, SPI
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 8.5mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Includes: Line Voltage Monitor, Loop Current Monitor, Overload Detection, Parallel Handset Detection, Polarity Reversal Detection, TIP and
• Product: Modem Chip
• Supply Voltage (min): 3 V
• Supply Current: 8.5 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power (watts): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Register 37. PCM Receive Start Count—High Byte
Reset settings = 0000_0000
Register 38. Transmit Gain Control 2
Reset settings = 0000_0000
Name
Name
Type
Bit
7:2
1:0
Type
Bit
7:5
3:0
Bit
Bit
4
TXG2[3:0] Transmit Gain 2.
Reserved
Reserved
Name
RXS[9:8]
TGA2
D7
Name
D7
D6
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
Read returns zero.
D6
Read returns zero.
PCM Receive Start Count.
PCM Receive Start Count equals the number of PCLKs following FSYNC before data
reception begins.
D5
D5
D4
TXG2[3:0]
0000
0001
11xx
0001
1111
:
:
D3
TGA2
R/W
D4
D2
D3
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.
Rev. 1.0
D1
RXS[1:0]
R/W
D2
TXG2[3:0]
Function
Function
R/W
D0
D1
D0
Si3050
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