Protocol analysis
R&S
®
RTO6
536User Manual 1801.6687.02 ─ 05
Channel order
Defines if the left or the right channel is the first channel in the frame.
The setting is not available for TDM audio signals.
Remote command:
BUS<m>:
I2S:CHANnel:
ORDer on page 1741
Channel offset
Available for "Variant" = "Left justified"/ "TDM".
Sets the number of bits between the channel start and the start of the audio word. The
setting is available for left-justified data format and TDM audio signals.
For TDM, possible values depend on the channel size and the word size. The maxi-
mum delay is Channel length - Word length.
Remote command:
BUS<m>:I2S:CHANnel:OFFSet on page 1742
Number of channels
Available for "Variant" = "TDM".
Sets the number of channels transmitted on the TDM audio line.
Remote command:
BUS<m>:I2S:CHANnel:TDMCount on page 1742
Frame offset
Available for "Variant" = "TDM".
Sets the number of bits between the frame start and the start of the first channel of a
TDM audio line. The maximum offset is 256 bit. Each FSYNC edge restarts the offset
count.
Remote command:
BUS<m>:I2S:FOFFset on page 1742
Channel length
Available for "Variant" = "Left justified" / "Right justified" / "TDM"
Sets the number of bits a frame contains.
Remote command:
BUS<m>:I2S:CHANnel:LENGth on page 1743
13.5.2.3 Configuring audio protocol
The configuration of the Audio is simple - assign the two lines to input channels, and
set the thresholds.
For details on configuration settings, see Chapter 13.5.2.1, "Audio signal configura-
tion", on page
531.
1.
Press the [Bus] key on the front panel.
2. Select the tab of the bus you want to set up, for example "SB1".
Audio signals (option R&S R
T
O6-K510)
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