DSA Page 1 Register Map
602
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
Table 2-1142. Register 125 Field Descriptions
Bit
Field
Type
Reset
Description
1-0
LNA_BYP_EN_RX
A
R/W
0h
Mission mode LNA gain settable by SPIA for RXA. Normally
LSB is the one to be written. In dual LNA mode msb is used.
2.10.27 Register 12Ch (offset = 12Ch) [reset = 0h]
Figure 2-1133. Register 12Ch
7
6
5
4
3
2
1
0
FDSA_OFFSET_VAL_A
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1143. Register 12C Field Descriptions
Bit
Field
Type
Reset
Description
6-0
FDSA_OFFSET_V
AL_A
R/W
0h
For FDSA mode, offset value (the factor which is scaled) used
in DSA value calculation. This value is scaled to derive the
final DSA attenuation. This is for RxA.
2.10.28 Register 12Dh (offset = 12Dh) [reset = 0h]
Figure 2-1134. Register 12Dh
7
6
5
4
3
2
1
0
FDSA_INIT_VAL_A
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1144. Register 12D Field Descriptions
Bit
Field
Type
Reset
Description
5-0
FDSA_INIT_VAL_A
R/W
0h
For FDSA mode, the initial value used in DSA value
calculation. This is for RxA.
2.10.29 Register 130h (offset = 130h) [reset = 0h]
Figure 2-1135. Register 130h
7
6
5
4
3
2
1
0
RX_SWAP_SETTING_A_1
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1145. Register 130 Field Descriptions
Bit
Field
Type
Reset
Description
5-0
RX_SWAP_SETTI
NG_A_1
R/W
0h
Swap setting for swap select of 01 for RxA