Rohde & Schwarz MXO 4 Series - Page 353

Protocol analysisMXO 4 Series
353User Manual 1335.5337.02 ─ 07
Prerequisites: A bus is configured for the I2C and decoded.
1. Tap on the "I2C" shortcut.
2. Tap on the "Export" tab.
3. If necessary, enable "Include details".
4. If necessary, enable "Include timing".
5. Select the "File type".
An export file is saved in the selected directory.
The I2C export files contain the following fields:
●
A list of all decoded frames:
– Index
– Start
– Stop
– State
– Address type
– Address value
– R/W bit
– Bit rate
●
The details frames include the following fields:
– Index
– Formatted data
– ACK bit start
– ACK bit
Example of I2C export file
Index,Start,Stop,State,Address type,Address value,R/W bit,Bit rate
1,-0.25,-0.24945,'OK','BIT10',188h,'WRIT',100000
2,-0.24944,-0.249,'OK','BIT10',1h,'READ',100000
3,-0.24899,-0.24866,'OK','BIT7',5Bh,'READ',100000
4,-0.24865,-0.24821,'OK','BIT7',4Ah,'WRIT',100000
5,-0.2482,-0.24765,'OK','BIT10',188h,'WRIT',100000
6,-0.24764,-0.2472,'OK','BIT10',1h,'READ',100000
Details frame 1
Index,Formatted data,Ack bit start,Ack bit
1,DEh,-0.2497,'ACK'
2,C2h,-0.24959,'ACK'
3,B3h,-0.24948,'ACK'
Details frame 2
Index,Formatted data,Ack bit start,Ack bit
1,E1h,-0.24925,'ACK'
I²C (option R&S
MXO4-K510)