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Serial Bus Analysis
R&S
®
RTB2000
179User Manual 1333.1611.02 ─ 03
The color-coding of the various protocol sections and errors simplifies the interpretation
of the visual display. The decode information condenses or expands, depending on the
horizontal scale. Various data formats are available to show the result values.
Figure 12-6: Decoded SSPI signal with Bus Table. The first frame has fourteen words and the second
eight words.
Table 12-1: Content of the SPI/SSPI 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 15.11.2.4, "SPI and SSPI - Decode
Results"
, on page 380.
12.3 I²C (Option R&S
RTB-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.
I²C (Option R&S RTB-K1)
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