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Protocol analysis
R&S
®
MXO 4 Series
302User Manual 1335.5337.02 ─ 05
Start ← Type
Sets the trigger to the start of the message. The start condition is a falling edge on
SDA while SCL is high. The trigger instant is the falling edge of the SDA line.
You can change the SDA and SCL lines here if necessary.
Repeated start ← Type
Sets the trigger to a repeated start - when the start condition occurs without previous
stop condition. Repeated start conditions occur when a master exchanges multiple
messages with a slave device without releasing the bus.
Stop ← 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 ← Type
Missing acknowledge bit: the instrument triggers if the data line remains HIGH during
the clock pulse following a transmitted byte.
Address ← 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.
Data ← Type
Sets the trigger to one specific data condition or a combination of address conditions.
I²C (option R&S
MXO4-K510)
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