Protocol Analysis
R&S
®
RTM20xx
162User Manual 1317.4726.02 ─ 01
Number of Bits ← Ser. Pattern
Defines the length of the serial pattern in bit.
Remote command:
TRIGger:A:SPI:PLENgth on page 381
Select Bit ← Ser. Pattern
Selects the bit number for binary pattern setting. For the selected bit, "State" is to be set.
The bits are counted from the message start, the selected bit is highlighted in the pattern
bit line.
State ← Ser. Pattern
Toggles the logic state of the selected bit: 0 (low), 1 (high), or X (don't care).
Select Nibble ← Ser. Pattern
Selects four bits (half byte) for hexadecimal entry with "Value". The selected nibble is
highlighted in the lower pattern line.
Value ← Ser. Pattern
Sets the hexadecimal value for the selected nibble.
11.2.4 SPI/SSPI Decode Results
You can enable the decoding in the "Protocol" main menu. "Decode" shows the decoded
values below the waveforms in the format selected with "Display". Additionally, you can
display the binary signal with "Bits".
See also: chapter 11.1.2, "Protocol - Common Settings", on page 149
SPI/SSPI Bus (Option R&S RTM-K1)
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