Texas Instruments AFE79 Series - Page 120

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120
SBAU337–May 2020
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Macro
Table 1-68. (continued)
Macro AGC External LNA Configuration Macro
1 0x00 1 RX Channel Select Bit 0: 1 → Value
specified in
subsequent
operands is valid for
1RX.
Bit 1: 1 → Value
specified in
subsequent
operands is valid for
2RX.
Bit 2: 1 → Value
specified in
subsequent
operands is valid for
3RX.
Bit 3: 1 → Value
specified in
subsequent
operands is valid for
4RX.
Bit 4 → RESERVED
Bit 5 → RESERVED
2 0x01 1 0: Single LNA
control
1: Dual LNA control
3 0x02 1 LNA gain margin (
this value is in dB
scale where 1 LSB
= 0.5 dB) LNA re-
enable will happen
when Current DSA
Attenuation ≤
Maximum DSA
Attenuation - LNA
Gain - LNA Gain
Margin in Single
LNA Control Mode.
Not Applicable in
Dual LNA Control
4 0x03 1 0: Disable Band
Detectors
1: Enable band
detectors Applicable
only when Dual LNA
control is enabled
5 0x04 1 Band Detector
Bandwidth Selection
(Applicable only
when dual LNA
control and band
detectors are
enabled)
0: Higher bandwidth
1: Output
bandwidth.
See Table 1-71.