S5N8943B Datasheet, PDF (13/22 Pages) Samsung semiconductor – G.Lite ADSL Analog Front End IC

S5N8943B
G.Lite ADSL Analog Front End IC
4.1.1.2 Transmitter AGC
The main functions of the TX path are controlled by the TX_AGC registers, as described below:
TX_AGC Register (A4A3A2A1A0=XX001)
DATA D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
NAME
RESET
VALUE
TA7 TA6 TA5 TA4 TA3 TA2 TA1 TA0
00010001
TA[7:0] TX path output attenuator gain setting. 0 to –24dB attenuation in 2 dB steps. (default is 0 dB).
TA[7]
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
TA[6]
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
TA[5]
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
TA[4]
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
TA[3]
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
TA[2]
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
TA[1]
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
TA[0]
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
HEX
0011
0012
0014
0018
0021
0022
0024
0028
0041
0042
0044
0048
0081
0082
0084
0088
GAIN(dB)
0
-2
-4
-6
-6
-8
-10
-12
-12
-14
-16
-18
-18
-20
-22
-24
CONFIDENTIAL
Preliminary Information (Rev.1.0)
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