Rohde & Schwarz RTP Series - Page 815

Protocol analysis
R&S
®
RTP
815User Manual 1337.9952.02 ─ 12
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"ERR"
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"SPLIT"
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"PING"
If no additional conditions are set, the trigger instant is after the PID.
If the PID error check is selected:
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if an error is found in the PID's complementary form, the trigger is set immediately
after the 8
th
bit of the PID
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if no PID error is found, no trigger is set, even if other selected conditions are met.
Otherwise, the trigger instant is defined by the first occurrence of any of the specified
additional conditions.
Remote command:
TRIGger<m>:USB:SPEC on page 2015
PREamble or ERR ← Special PID
For the Trigger Special Types "PREamble" and "ERR", the following condition can be
set:
See "PID error " on page 816
SPLIT ← Special PID
For the Trigger Special Type "SPLIT", the following conditions can be set:
You can refine the trigger condition:
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See "Address" on page 816
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See "SC check" on page 817
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See "Port" on page 817
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See "SEU" on page 818
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See "ET" on page 818
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See "PID error " on page 816
PING ← Special PID
For the Trigger Special Type "PING", the following conditions can be set:
You can refine the trigger condition:
●
See "Address" on page 816
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See "End Point" on page 816
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See "PID error " on page 816
Error condition
Sets the trigger in case of one of the following eight different error condition types.
The trigger instant is the first occurrence of the specified error.
"Any error"
Triggers on any of the errors listed below.
"PID error"
Triggers on any packet identifier error.
"CRC5 error"
Triggers on any CRC5 error event
"CRC16 error"
Triggers on any CRC16 error event
"Bitstuff error"
Triggers in the event of an erroneous or missing bit stuffing sequence
(see USB standard).
USB (option R&S RTP-K60)