SI2438FT18-EVB Silicon Laboratories Inc, SI2438FT18-EVB Datasheet - Page 89

• Manufacturer Part Number: SI2438FT18-EVB
• Description: BOARD EVAL SI2438+SI3018 24PIN
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2438FT18-EVB

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Register 37. PCM Receive Start Count—High Byte
Reset settings = 0000_0000
Register 38. TX Gain Control 2
Reset settings = 0000_0000
Bit
7:2
1:0
Bit
7:5
3:0
4
Name
Name
Type
Type
Bit
Bit
TXG2[3:0] Transmit Gain 2.
Reserved Read returns zero.
Reserved
Name
RXS[1:0]
TGA2
Name
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
PCM Receive Start Count.
PCM Receive Start Count equals the number of PCLKs following FSYNC before data
reception begins.
Read returns zero.
D6
D6
TXG2[3:0]
0000
0001
11xx
0001
1111
:
:
D5
D5
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.
Result
Rev. 1.4
TGA2
R/W
D4
D4
Function
Function
Si3050 + Si3011/18/19
D3
D3
D2
D2
TXG2[3:0]
R/W
D1
D1
RXS[1:0]
R/W
D0
D0
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