Rigol DS1000Z Series User Manual

RIGOL Chapter 5 To Trigger the Oscilloscope
DS1000Z User’s Guide
5-36
I2C Trigger (Option)
Trigger on the start condition, restart, stop, missing acknowledgement or on the
read/write frame with specific device address and data value. In I2C trigger, you
need to specify the SCL and SDA data sources. The figure below shows the complete
data transmission of I2C bus.
Trigger Type:
Press Type to select “I2C”. At this point, the trigger setting information as shown in
the figure below is displayed at the upper right corner of the screen.
Source Selection:
Press SCL and SDA to specify the data sources of SCL and SDA respectively. They
can be set to CH1-CH4 and the current trigger source is displayed at the upper right
corner of the screen.
Trigger Condition:
Press When to select the desired trigger condition.
 Start: trigger when SDA data transitions from high to low while SCL is high.
 Restart: trigger when another start condition occurs before a stop condition.
 Stop: trigger when SDA data transitions from low to high while SCL is high.
 Missing ACK: trigger when the SDA data is high during any acknowledgement of
SCL clock position.
 Address: trigger on the clock (SCL) edge corresponding to the byte of data (SDA)

Rigol DS1000Z Series Specifications

General

Brand	Rigol
Model	DS1000Z Series
Category	Test Equipment
Language	English