User Manual

Protocol Analysis
R&S
®
Scope Rider RTH
171User Manual 1326.1578.02 ─ 08
No Ack (Missing Ack)
Selects which missing acknowledge bits is detected if the trigger type is set to "No Ack
(Missing Ack)".
"Address NACK"
No slave recognizes the address.
"Data Read NACK"
Marks the end of the read process when the master reads data from
the slave. This Nack is sent according to the protocol definition, it is
not an error.
"Data Write NACK"
The addressed slave does not accept the written data.
Remote command:
TRIGger:I2C:ADNack on page 377
TRIGger:I2C:DRNack on page 377
TRIGger:I2C:DWNack on page 377
Address Pattern
Specifies the address pattern to be found, in binary or hex format. Enter the pattern in
MSB first bit order.
See also Chapter 2.5.12.1, "Pattern Definition", on page 66.
Remote command:
TRIGger:I2C:ADDRess on page 378
Address Relation
Defines how the specified serial address pattern is compared with the acquired signal.
The instrument triggers if the acquired address is equal or unequal the defined pattern.
Remote command:
TRIGger:I2C:ACONdition on page 378
R/W Bit
Toggles the trigger condition between read and write access of the master. Select
"Either" if the transfer direction is not relevant for the trigger condition.
Remote command:
TRIGger:I2C:ACCess on page 377
Data Pattern
Specifies the data pattern to be found on the specified line, in binary or hex format.
Enter the words in MSB first bit order.
See also Chapter 2.5.12.1, "Pattern Definition", on page 66.
Remote command:
TRIGger:I2C:DATA on page 378
Data Relation
Sets how the defined serial data pattern is compared with the acquired signal. The
instrument triggers if the acquired data pattern is equal or unequal the defined pattern.
I2C (Option R&S
RTH-K1)