Protocol analysis
R&S
®
RTP
553User Manual 1337.9952.02 ─ 12
"Stop error"
Triggers if the stop bit is a logic 0.
Remote command:
TRIGger<m>:UART:TYPE on page 1611
Trigger source
Selects the transmitter or receiver line as trigger source.
Remote command:
TRIGger<m>:UART:SOURce on page 1611
Data conditions
Specify the data conditions if the trigger type is set to "Data".
Condition ← Data conditions
Selects the operator for the "Data" pattern: "Equal" or "Not equal".
Remote command:
TRIGger<m>:UART:FCONdition on page 1612
Pattern ← Data conditions
Specifies the data pattern to be found on the specified trigger source, in binary or hex
format. Enter the words in msb first bit order. The starting point of the pattern is defined
by Position and Index min, Index max.
In binary format, use the following characters: 1; 0; or X (do not care). To enter the pat-
tern in other formats use the bit pattern editor, see Chapter 13.1.7, "Bit pattern editor",
on page 519.
Remote command:
TRIGger<m>:UART:DATA on page 1612
Position ← Data conditions
Operator for the data position. You can define an exact position, or a position range.
The setting is available if Packets is enabled in the protocol configuration.
Remote command:
TRIGger<m>:UART:DPOPerator on page 1611
Index min, Index max ← Data conditions
Sets the number of words before the first word of interest. These offset words are
ignored. If the Position defines a range, the first and the last words of interest are
defined.
The setting is available if packet detection is enabled in the protocol configuration.
Remote command:
TRIGger<m>:UART:DPOSition on page 1612
TRIGger<m>:UART:DPTO on page 1612
13.4.3.2 Triggering on UART signals
Prerequisites: An UART bus is configured, see Chapter 13.4.3.1, "UART trigger set-
tings", on page 551.
UART/RS-232/RS-422/RS-485 (option R&S
RTP-K2)
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