List of Macros
115
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Macro
1.2.5.5
AGC External-AGC Configuration Macro
Table 1-62.
Macro
AGC External-AGC Configuration
Opcode
0x5C
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
2
Pin0Sel (Sent on
LSB of I)
See
SBAA417
configuration
document for more
details.
3
0x03
2
Pin1Sel (Sent on
LSB of Q)
4
0x05
2
Pin2Sel (Sent on
penultimate LSB of
I)
5
0x07
2
Pin3Sel (Sent on
penultimate LSB of
Q)
6
0x09
1
Peak detector info
on LSBs or Pins
0x00: Pins
0x01: LSBs and
Pins
7
0x0A
1
Pulse Expansion
Count. This value
here is in steps of
10 ns.
If peak detector info is being sent on LSBs
8
0x0B
1
Number of LSBs of
data to use
0x00 : 2 LSBs (1 on
I , 1 on Q)
0x01 : 4 LSBs (2 on
I , 2 on Q)
Memory
Not used
Each pin select is a 15 bit number with each bit corresponding to a different detector output. This macro
does not perform any GPIO connections. The bit wise detector mapping is as below: