DSA Page 1 Register Map
597
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Serial Interface Register Maps
Table 2-1125. Register D0 Field Descriptions
Bit
Field
Type
Reset
Description
2-0
GAIN_CTRL
R/W
3h
Selection register for the mode in which Rx DSA gain is set.
Following are different values and their meanings:
000 : reserved
001 : 8-pin agc
010 : internal agc
011 : spi_agc
100 : FDSA
101 : 4-Pin mode
110 : reserved
111 : reserved
2.10.10 Register D4h (offset = D4h) [reset = 1h]
Figure 2-1116. Register D4h
7
6
5
4
3
2
1
0
EXT_LNA_CON_EN_RX
R/W-1h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1126. Register D4 Field Descriptions
Bit
Field
Type
Reset
Description
1-0
EXT_LNA_CON_E
N_RX
R/W
1h
Enable mask for LNA bypass. The default value is 01 which
means a single lna is enabled. The default need not be
changed for typical use cases.
2.10.11 Register D5h (offset = D5h) [reset = 32h]
Figure 2-1117. Register D5h
7
6
5
4
3
2
1
0
MAX_ANA_ATTN
R/W-32h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1127. Register D5 Field Descriptions
Bit
Field
Type
Reset
Description
5-0
MAX_ANA_ATTN
R/W
32h
Maximum analog attenuation. Code 51 corresponds to
protection code.
2.10.12 Register D8h (offset = D8h) [reset = 0h]
Figure 2-1118. Register D8h
7
6
5
4
3
2
1
0
DSA_LNA_SW
_MODE
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset