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Serial Bus Analysis
R&S
®
RTB2000
187User Manual 1333.1611.02 ─ 03
Table 12-2: Content of the I
2
C frame table
Column Description
Start time Time of the frame start in relation to the trigger point
Type Value of the R/W bit, read or write access
ID Hexadecimal value of the address
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 15.11.3.3, "I²C - Decode Results",
on page 388.
12.3.5
I
2
C Label List
Label lists are protocol-specific. Label lists for
2
C are available in CSV and PTT format.
An I
2
C label file contains three values for each address:
●
Address type, 7-bit or 10-bit long
●
Address value
●
Symbolic label: name of the address, specifiing its function in the bus network.
Example: I
2
C PTT file
# ----------------------------------------------------------------------------
@FILE_VERSION = 1.00
@PROTOCOL_NAME = i2c
# ---------------------------------------------------------------------------
# Labels for I2C protocol
# Column order: Identifier type, Identifier value, Label
# ---------------------------------------------------------------------------
7,0x1E,Voltage
7,38h,Pressure
7,2Ah,Temperature
7,16h,Speed
7,118,Acceleration
7,07h,HighSpeed_Master_0x3
7,51h,EEPROM
10,3A2h,DeviceSetup
10,1A3h,GatewayStatus
10,06Eh,LeftSensor
# ----------------------------------------------------------------------------
For general information on label lists, see
Chapter 12.1, "Basics of Protocol Analysis",
on page 164.
I²C (Option R&S RTB-K1)
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