List of Macros
106
SBAU337 – May 2020
Copyright © 2020, Texas Instruments Incorporated
Macro
1.2.3.3
TX Tone Generator Configuration
This macro can be used to configure a chosen TX channel to send out a single tone of desired power and
frequency.
Table 1-51.
Macro
TX Tone Generator Configuration
Opcode
0x48
Operand
Offset
Length
Value
Functionality
Results
1
0x00
1
TX Channel Select
Channel Select
0
→
Tone to be
sent on 1TX
1
→
Tone to be
sent on 2TX
2
→
Tone to be
sent on 3TX
3
→
Tone to be
sent on T4X
2
0x01
1
Tone Gen
Command
Tone Generation
Command
0
→
RESERVED
1
→
Save existing
configuration and
apply the new tone
configuration for the
selected channel
2
→
Apply new tone
configuration only
3
→
RESERVED
4
→
Restore saved
configuration.
3
0x02
1
RESERVED
Write 0 here
4
0x03
4
Tone Frequency
Transmit tone
frequency
The value specified
here is the tone
frequency with units
being determined
based on the
Channel Frequency
Resolution Macro.
In case of 1-kHz
resolution mode,
value of up to TX-
DAC-RATE is only
allowed.
5
0x07
1
Tone Back-off
Tone Back-off (dB)
Tone power back-
off in dB with
respect to the full
scale DAC output.
E.g. a value of 2 will
result in a tone
power of -2 dBFS.
Note: Although the
macro takes a back-
off value in 1-dB
step, the actual
resolution is ~ 2 dB
for low back-off
values.
Only used during
‘continue’ calibration
command
6
0x08
1
RESERVED
Write 0 here
7
0x09
4
RESERVED
Write 0 here
Memory
Not Used