Rohde & Schwarz Scope Rider RTH1002, User Manual

Page: 194 / 530

Protocol Analysis
R&S
®
Scope Rider RTH
194 User Manual 1326.1578.02 ─ 12
Relation
Defines how the defined serial data pattern is compared with the acquired signal. The
instrument triggers if the acquired data word is equal or unequal the defined pattern.
Remote command:
TRIGger:SPI:DCONdition
on page 440
Bit Offset
Sets the number of bits before the first bit of the pattern. These bits are ignored. The
first bit after CS or timeout is bit 0. For example, with bit offset = 2, bit 0 and bit 1 after
CS are ignored, and the pattern starts with bit 2.
Remote command:
TRIGger:SPI:DPOSition
on page 440
Chip Select
Defines if the SPI bus uses a chip select line or not.
Remote command:
BUS:SPI:SSEL:STATe
on page 439
9.3.4 SPI Decode Results
This chapter describes the comb display and the decode results table of decoded SPI
buses. Basic information on decoding and display of decode results is given in
Chap-
ter 9.1.2, "Decode Results" , on page 173.
Figure 9-16: Comb display of a decoded SPI signal, triggered on frame start
SPI (Option R&S RTH-K1)