DSA Page 0 Register Map
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SBAU337–May 2020
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Serial Interface Register Maps
2.9 DSA Page 0 Register Map
Table 2-1101. DSA page0 Register Map
ADDRESS (Hex) D7 D6 D5 D4 D3 D2 D1 D0
6Ch SPI_AGC_DSA_FB
6Dh LNA_BYP_EN_FB
70h EXT_LNA_CON_EN_FB
78h SPI_AGC_DSA_FB_0
79h
ENABLE_FBMU
XSEL_FOR_FB
DSA
7Ch SPI_AGC_DSA_FB_1
80h SPI_AGC_DSA_FB_2
84h SPI_AGC_DSA_FB_3
C8h TXA_DSA_FINE TXA_DSA_INDEX
CCh TXB_DSA_FINE TXB_DSA_INDEX
D0h TXA_DSA_DIG0_GAIN
D4h TXB_DSA_DIG0_GAIN
D8h TXA_DSA_DIG1_GAIN
DCh TXB_DSA_DIG1_GAIN
2.9.1 Register 6Ch (offset = 6Ch) [reset = 0h]
Figure 2-1093. Register 6Ch
7 6 5 4 3 2 1 0
SPI_AGC_DSA_FB
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1102. Register 6C Field Descriptions
Bit Field Type Reset Description
5-0 SPI_AGC_DSA_FB R/W 0h
SPI register for changing mission mode gain in FB.
Uses this value when fbmuxel is indicating msb as '1'
(Meaning no fb is connected) or when
enable_fbmuxel_for_fbdsa is '0'
2.9.2 Register 6Dh (offset = 6Dh) [reset = 0h]
Figure 2-1094. Register 6Dh
7 6 5 4 3 2 1 0
LNA_BYP_EN_FB
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-1103. Register 6D Field Descriptions
Bit Field Type Reset Description
1-0 LNA_BYP_EN_FB R/W 0h
In FB there is no question of FSPI. The register is kept
together with DSA gain, so that both may be changed together
normally. In case LNA should not take effect,
ext_lna_con_en_fb may be written B"00"
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