Texas Instruments AFE79 Series - 2.14.128 Register 4 A1 h (offset = 4 A1 h) [reset = 0 h]; 2.14.129 Register 4 A2 h (offset = 4 A2 h) [reset = 3 Eh]; 2.14.130 Register 4 A3 h (offset = 4 A3 h) [reset = 0 h]

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SBAU337–May 2020
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Serial Interface Register Maps
Table 2-2024. Register 4A0 Field Descriptions
Bit Field Type Reset Description
5-0
FB_AGC_MAX_AT
TN
R/W 32h Max attenuation DSA can go to. Resolution is 0.5 dB.
2.14.128 Register 4A1h (offset = 4A1h) [reset = 0h]
Figure 2-2011. Register 4A1h
7 6 5 4 3 2 1 0
FB_AGC_MIN_ATTN
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2025. Register 4A1 Field Descriptions
Bit Field Type Reset Description
5-0
FB_AGC_MIN_AT
TN
R/W 0h Min attenuation DSA can go to. Resolution is 0.5 dB.
2.14.129 Register 4A2h (offset = 4A2h) [reset = 3Eh]
Figure 2-2012. Register 4A2h
7 6 5 4 3 2 1 0
FB_AGC_MAX_DVGA_ATTN
R/W-3Eh
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2026. Register 4A2 Field Descriptions
Bit Field Type Reset Description
5-0
FB_AGC_MAX_DV
GA_ATTN
R/W 3Eh Max attn Ext DVGA can go to. Resolution is 0.5 dB.
2.14.130 Register 4A3h (offset = 4A3h) [reset = 0h]
Figure 2-2013. Register 4A3h
7 6 5 4 3 2 1 0
FB_AGC_MIN_DVGA_ATTN
R/W-0h
LEGEND: R/W = Read/Write; W = Write only; -n = value after reset
Table 2-2027. Register 4A3 Field Descriptions
Bit Field Type Reset Description
5-0
FB_AGC_MIN_DV
GA_ATTN
R/W 0h Max attn Ext DVGA can go to. Resolution is 0.5 dB.