15-32
IM DLM3054-01EN
List Display (List)
The list displays the following items.
No. Analysis number. Negative numbers are assigned to frames before the and positive numbers
are assigned to frames after the trigger position.
1
The instrument can display the analysis results for up to 300000 frames in the range of
−299999 to 299999.
Pressing the RESET key highlights data number zero.
Time(ms) Displays the time from the trigger position
1
to the start of the byte in milliseconds.
1st
2
Displays the first byte address in hexadecimal notation.
2nd
2
Displays the second byte address in hexadecimal notation.
R/W Displays the signal type. R: Read, W: Write
Data Displays the data in hexadecimal notation. The first 16 bytes are displayed. You can press the
Detail soft key to view all of the data of the specified analysis numbers.
ACK If an Acknowledge bit is detected, the instrument displays an asterisk by the Data column.
Information Displays the data type.
general call, Start byte, Hs-mode, 10-bit, 7-bit, CBus
1 If delay cancel (Delay Cancel) is set to OFF, they are based on the trigger point.
2 You can use the R/W bit inclusion setting (Include R/W) to choose whether or not to include the R/W bit
in the displayed address.
Search Setup (Search)
Search Type (Mode)
I
2
C bus signal search type from one of the settings below and set the search conditions.
• Every Start: Searches for start and restart conditions
• Adr Data: Searches for address patterns and data patterns (AND condition)
• NON ACK: Searches for NACK (SDA is H) acknowledge bits.
• General Call: Searches for general call addresses
• Start Byte: Searches for the master codes of start bytes
• HS Mode: Searches for the master codes of HS modes
The method to set search conditions is the same as that for the trigger conditions of the I
2
C bus trigger.
Executing a Search (Search)
The instrument searches for locations where the specified search conditions are met. Then, the instrument
displays the specified detected point number (Pattern No) expanded in the zoom window.
Detected Points
The detected points are the same as the trigger points.
15 Analyzing and Searching Serial Bus Signals
To Next Page
Loading...
Need help?
General
