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Serial bus analysis
R&S
®
RTA4000
268
User Manual 1335.7898.02 ─ 08
Figure 13-8: Decoded SPI (no CS) signal with Bus Table. The first frame has 14 words and the second
has 8 words.
Table 13-1: Content of the SPI bus table
Column
Description
Start time
Time of the frame start in relation to the trigger point
Length
Number of words in the frame
Data
Hexadecimal values of the data words
State
Overall state of the frame
Remote commands are described in
Chapter 17.11.2.4, "SPI - decode results"
13.3
I²C (option R&S
RTA-K1)
The Inter-Integrated Circuit is a simple, low-bandwidth, low-speed protocol used for
communication between on-board devices, for example, in LCD and LED drivers,
RAM, EEPROM, and others.
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I²C (option R&S
RTA-K1)