Protocol analysis
R&S
®
RTO6
507User Manual 1801.6687.02 ─ 05
Select search types
Enable the events to be searched for. Unlike triggering, where you can trigger only on
one defined event, you can search for various dif
ferent events in one search.
"Start"
Searches for the start of the message. The start condition is a falling
edge on SDA while SCL is high. The event is the falling edge of the
SDA line.
You can change the SDA and SCL lines here if necessary
.
"Repeated
start"
Searches for a start condition without previous stop condition. Repea-
ted start conditions occur when a master exchanges multiple mes-
sages with a slave without releasing the bus.
"Stop"
Searches for the end of the message. The stop condition is a rising
slope on SDA while SCL is high.
"No ACK
(Missing ACK)"
Searches for a missing acknowledge bit: an event is found if the data
line remains HIGH during the clock pulse following a transmitted byte.
"Address"
Searches for one specific address condition or a combination of
address conditions. The event is the falling edge of the acknowledge
bit after the address.
"Address OR"
Searches for one to four address conditions.
I²C (option R&S R
T
O6-K510)
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