1
1-19
IM 701730-51E
I
2
C Bus Signal Analysis Function
• Combination of Address Pattern, Data1 Pattern, and Byte Count Trigger
Trigger Condition
Address Pattern:
A4
Data1
Pattern:
27
Condition:
True
Data2
Pattern:
Not applicable
Condition:
True
Ignore the Restart Condition:
No
Ignore Unexpected Start/Stop Condition:
No
Byte Count:
3
S
27
AE
57
27
FE
98
99
27
P
A4
4. Trigger activated here
1. Compare with the specified address pattern (A4). Match
2. Compare with the specified data 1 pattern (27)
3. Skip 3 bytes
A R/W bit
• Combination of Address Pattern, Data2 Pattern, and Byte Count Trigger
Trigger Condition
Address Pattern:
A4
Data1
Pattern:
Not applicable
Condition:
True
Data2
Pattern:
99
Data Byte:
1
(Date Byte: compare 2 bytes when set to 2 bytes)
Condition:
True
Ignore the Restart Condition:
No
Ignore Unexpected Start/Stop Condition:
No
Byte Count:
3
<After Byte Count=First Byte>
S
99
AE
57
99
FE
98
99
27
P
A4
3. Trigger activated here
1. Compare with the specified address pattern (A4). Match
2. Skip 3 bytes
A R/W bit
<After Byte Count=Anywhere>
S
99
AE
57
27
FE
98
99
27
P
A4
4. Trigger activated here
1. Compare with the specified address pattern (A4). Match
3. Compare with the specified
pattern (99). Match
2. Skip 3 bytes
A R/W bit
1.4 Setting the I
2
C Bus Signal Acquisition Conditions