Rohde & Schwarz RTE - I²C Search Setup

Protocol analysis
R&S
®
RTE
536User Manual 1326.1032.02 ─ 20
13.2.6.1 I²C search setup
Access: [SEARCH] > "Setup" tab
Search criteria
Enable the events to be searched for. Unlike triggering, where you can trigger only on
one defined event, you can search for various different 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.
"Address and
data"
Searches for a combination of address and data conditions.
Remote command:
SEARch:TRIGger:I2C:SCONdition on page 1443
SEARch:TRIGger:I2C:RCONdition on page 1443
I²C (option R&S
RTE-K1)