1-12
IM 701730-51E
Setting the Start/Stop Condition
You can set the following conditions.
• Setting Whether to Ignore Restart Conditions
You can select whether to ignore the Restart condition that occurs after starting the
trigger detection upon detecting the Start condition.
Yes
Ignores the restart condition and continues with the trigger detection.
No
Restarts the trigger detection when a restart condition is detected.
• Setting Whether to Ignore Start/Stop Conditions That Do Not Conform to the
Protocol
You can select whether to ignore the start or stop condition that occurs in the middle
of the address or data bit while detecting the trigger.
Yes
Ignores the start/stop condition and continues with the trigger detection.
No
Restarts or stops the trigger detection when a start/stop condition is detected.
SDA
SCL
Start condition
1
2
3
4
5
6
7
8
9
1
0
0
1
1
0
0
1
Start condition that does not
conform to the protocol
Ignore : Continues the trigger detection.
Not ignore : Restart or stop the trigger detection.
Setting the Combination Trigger
A trigger can be activated on the combination of the trigger conditions of the I
2
C Bus
signal and the trigger conditions of CH3 to CH4. You can select from the following three
types.
• I
2
C Only
Activates a trigger only on the SCL/SDA signal (trigger conditions of the I
2
C Bus).
8
9
1
1
8
9
Trigger condition of the I
2
C Bus Signal is met
SDA
SCL
CH3
CH4
.....
.....
.....
.....
.....
Condition met
Trigger activated here
CH3 and CH4 are irrelevant
1.4 Setting the I
2
C Bus Signal Acquisition Conditions
