User manual

Serial Bus Analysis
R&S
®
RTB2000
189User Manual 1333.1611.02 ─ 06
Figure 12-7: Decoded SPI (no CS) signal with Bus Table. The first frame has fourteen words and the
second eight words.
Table 12-1: 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 15.11.2.4, "SPI - Decode Results",
on page 412.
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)