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1-11
IM 701730-51E
I
2
C Bus Signal Analysis Function
If you set the trigger type to Adrs&Data, you can set the following items.
Pattern Format
Select the format of the address pattern and Data 1 Pattern/Data2 Pattern.
Hex
Hexadecimal
Bin
Binary
Address Pattern
Set the 7-bit address and R (read)/W (write). A trigger is activated when the specified
address pattern and R/W match.
Data1 Pattern
Set the 8-bit data pattern. The data that is compared is the single byte immediately
after the address.
Select the pattern condition from below.
True
A trigger is activated when Data1 Pattern is met.
False
A trigger is activated when Data1 Pattern is not met.
Byte Count
Set the byte count in the range of 0 to 9999 bytes. If you do not wish to use byte
count as a trigger condition, set the value to 0. You can also set the byte count from
the ENHANCED menu.
Data2 Pattern
Set the 1-byte (8-bit) or 2-byte (16-bit) data. You can set the number of bytes in the
Data Byte box.
Select the pattern condition from below.
True
A trigger is activated when Data2 Pattern is met.
False
A trigger is activated when Data2 Pattern is not met.
In addition, select the location of the byte data to be compared against Data2 Pattern.
First Byte
Compares the byte data immediately after the byte count.
Anywhere
Compares from the byte data immediately after the byte count until the condition
is met.
Note
For address pattern and Data1 Pattern/Data2 Pattern, if there is at least one “X” bit in a group
of four bits in the binary display, the corresponding hexadecimal display will show an “$.”
1.4 Setting the I
2
C Bus Signal Acquisition Conditions
