Protocol analysis
R&S
®
RTO6
539
User Manual 1801.6687.02 ─ 05
"Frame condi-
tion"
Sets the trigger on an AND combination of data conditions on differ-
ent channels. The instrument triggers if all conditions are met inside
one frame.
Description of specific trigger type settings:
●
●
Description of specific trigger type settings:
and .
"Word select"
Triggers on the selected edge of the WS line, that is, on the beginning
of the left or right channel (I²S, left- and right-justified). For TDM sig-
nals, it triggers on the selected edge of the FSYNC line - on the
beginning of a TDM frame.
The trigger time is the first clock edge after the selected WS/FSYNC
edge.
Description of specific trigger type settings:
"Error condi-
tion"
The oscilloscope uses the WS or FSYNC line to monitor the channel
and frame length. An error is detected when two consecutive frames
have different length. The instrument triggers on the first clock edge
after error detection.
Remote command:
Channel
Selects the audio channel on which the instrument looks for the specified data condi-
tion.
The setting is relevant for trigger types Data, Window and Frame condition.
Note:
For TDM signals. the number of available channels depends on the configura-
tion of the audio bus, see
Chapter 13.5.2.2, "Advanced settings"
Remote command:
TRIGger<m>:I2S:TCONdition<n>:CHANnel
Data condition
The data condition setup consists of the operator and one or two data patterns.
The settings are relevant for trigger types Data, Window and Frame condition.
"Operator"
Defines the operator to set a specific data word ("Equal" or "Not
equal") or a data range.
Audio signals (option R&S
RTO6-K510)