Rohde & Schwarz RTP044 - Page 534

Protocol analysis
R&S
®
RTP
534User Manual 1337.9952.02 ─ 12
"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 1571
SEARch:TRIGger:I2C:RCONdition on page 1571
SEARch:TRIGger:I2C:STCNdition on page 1572
SEARch:TRIGger:I2C:NACKnowledge on page 1572
SEARch:TRIGger:I2C:SADDress on page 1572
SEARch:TRIGger:I2C:ADOR on page 1573
SEARch:TRIGger:I2C:ADData on page 1573
Address setup: Condition, Type, Addr. min, Addr. max, R/W bit
The address setup consists of the condition, type, R/W bit and one or two address pat-
terns.
The address setup settings are the same as in the I2C trigger setup, see "Address"
on page 529.
Remote command:
SEARch:TRIGger:I2C:ACONdition on page 1573
SEARch:TRIGger:I2C:ADDRess on page 1574
SEARch:TRIGger:I2C:ADDTo on page 1574
SEARch:TRIGger:I2C:AMODe on page 1574
SEARch:TRIGger:I2C:ACCess on page 1575
Data setup: Condition, Position, Index min, Index max, Value min, Value max
The data setup consists of the condition, position, and one or two index/value patterns.
The data setup settings are the same as in the I2C trigger setup, see "Data"
on page 530.
Remote command:
SEARch:TRIGger:I2C:DPOPerator on page 1576
SEARch:TRIGger:I2C:DPOSition on page 1577
SEARch:TRIGger:I2C:DPTO on page 1577
SEARch:TRIGger:I2C:DCONdition on page 1577
SEARch:TRIGger:I2C:DMIN on page 1578
SEARch:TRIGger:I2C:DMAX on page 1578
I²C (option R&S
RTP-K1)