Texas Instruments AFE79 Series - 1.2.5.7 AGC Internal-AGC Controller Configuration Macro

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SBAU337–May 2020
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Macro
1.2.5.7 AGC Internal-AGC Controller Configuration Macro
Table 1-65.
Macro AGC Internal-AGC Controller Configuration
Opcode 0x5E
Operand Offset Length Value Functionality Results
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 TDD Freeze Mode
3 0x02 2 Blanking Time when
an External
Component Gain
Changes. See
Blanking time for
external component
Gain change below
this table.
4 0x04 1 Pin based AGC
freeze enable
0x00 → Disable pin
based AGC Freeze
0x01 → Enable pin
based AGC Freeze
5 0x05 1 Ext LNA or Ext
DVGA Control
0x00: Neither of the
controls are active
0x01: External LNA
control is active
0x02: External
DVGA control is
active
Others: invalid
Memory Not used
TDD Freeze Mode:
0 → Reset the decay detectors along with the AGC state during the OFF period of TDD.
1 → Freeze the decay detectors along with the AGC state during the OFF period of TDD.
Attack detectors are always reset during the OFF period of TDD.