Rohde & Schwarz RTM2032 - Page 176

Protocol Analysis
R&S
®
RTM20xx
161User Manual 1317.4726.02 ─ 01
Frame Start.................................................................................................................161
Frame End..................................................................................................................161
Bit<x>..........................................................................................................................161
Ser. Pattern.................................................................................................................161
└ Bit Offset.......................................................................................................161
└ Number of Bits..............................................................................................162
└ Select Bit.......................................................................................................162
└ State..............................................................................................................162
└ Select Nibble.................................................................................................162
└ Value.............................................................................................................162
Frame Start
Sets the trigger to the start of the message. For SPI, the frame starts when the chip select
signal CS changes to the active state. For SSPI, the frame starts when the idle time has
expired.
Remote command:
TRIGger:A:SPI:MODE on page 380 (BSTart)
Frame End
Sets the trigger to the end of the message. For SPI, the frame ends when the chip select
signal CS changes to the inactive state. For SSPI, the frame ends when the idle time has
expired after the last clock and no new clock appeared during that time.
Remote command:
TRIGger:A:SPI:MODE on page 380 (BEND)
Bit<x>
Sets the trigger to the specified bit number.
Remote command:
TRIGger:A:SPI:MODE on page 380 (NTHBit)
Ser. Pattern
Sets the trigger to a specified bit pattern that is configured in the submenu.
Remote command:
TRIGger:A:SPI:MODE on page 380 (PATTern)
TRIGger:A:SPI:PATTern on page 380
Bit Offset ← Ser. Pattern
Sets the number of bits before the first bit of the pattern. These bits are ignored. The first
bit after CS 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:A:SPI:POFFset on page 381
SPI/SSPI Bus (Option R&S RTM-K1)