Protocol analysis
R&S
®
RTO6
501
User Manual 1801.6687.02 ─ 05
Repeated start ← Trigger type
Sets the trigger to a repeated start - when the start condition occurs without previous
stop condition. Repeated start conditions occur when a primary exchanges multiple
messages with a secondary without releasing the bus.
Stop ← Trigger type
Sets the trigger to the end of the message. The stop condition is a rising slope on SDA
while SCL is high.
No Ack (Missing Ack) ← Trigger type
Missing acknowledge bit: the instrument triggers if the data line remains HIGH during
the clock pulse following a transmitted byte.
You can also localize specific missing acknowledge bits by setting the
Address ← Trigger type
Sets the trigger to one specific address condition or a combination of address condi-
tions. The trigger time is the falling clock edge of the acknowledge bit after the
address. You can specify:
●
●
●
Address OR ← Trigger type
Triggers on one to four address conditions. Each enabled condition requires an exact
address. You can specify:
For each condition to be used, select "Monitor"
●
I²C (option R&S
RTO6-K510)
