SDS1000X-E User Manual
89
I2C Serial Decode
After completing the setup of I2C signal and trigger, we will decode I2C signals. Operation
steps as follows.
1. Press Decode→ Decode. Select one of the options from the Decode1 and Decode2.
2. Press the Display and select On to display the result of decoding.
3. Press the List to enter the LIST function menu.
4. Press the Display and choose the same options as the first step.
5. Press the Lines and set the number of lines by Universal Knob. The range of the
lines is 1 to 7.
6. Press the Format to change the character encoding format of the decoding’s result.
7. Press the Scroll and turn the Universal Knob to view all frames.
Interpreting I2C Decode
The frames of decoding result:
The address of write frame is a dark-green string that contains “W”.
The address of read frame is a yellow string that contains “R”.
The data of frame are white strings.
The lists of decoding result:
Time — the horizontal displacement between current frame and trigger position.
Address — the address of a frame.
R/W — the type of a frame (write or read).
Data — the value of data.