Rohde & Schwarz Scope Rider RTH1004 - Page 193

Protocol Analysis
R&S
®
Scope Rider RTH
193User Manual 1326.1578.02 ─ 12
SPI Trigger
Selects the trigger type for SPI analysis.
"Frame Start"
Sets the trigger to the start of the message. If the bus has a CS line,
the frame starts when the chip select signal changes to the active
state. Without CS line, the frame starts when the idle time has
expired.
"Frame End"
Sets the trigger to the end of the message. If the bus has a CS line,
the frame ends when the chip select signal changes to the inactive
state. Without CS line, the frame ends when the idle time has expired
after the last clock and no new clock appeared during that time.
"Data"
Sets the trigger to a specified bit pattern that is expected on one of
the lines.
Remote command:
TRIGger:SPI:MODE on page 439
Datasource
Selects the line, on which the trigger pattern is expected.
Remote command:
TRIGger:SPI:DSRC on page 439
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 3.6.12.1, "Pattern Definition", on page 70.
Remote command:
TRIGger:SPI:DATA on page 440
SPI (Option R&S
RTH-K1)