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4.Advanced User Guidebook
43
EventTable
ON
OFF
Select "ON" to display the event table.
Save
EventTable
If a USB storage device is currently connected to the
instrument, save the event table data
in a .csv
(spreadsheet) formatted file on the external USB storage
device.
2. I2C Decoding
To decode I2C signal:
(1) Connect the clock line (SCLK) and the data line (SDA) of the I2C signal to the
Signal Input Channels of the oscilloscope.
(2) Adjust to the proper time base and voltage division.
(3) In trigger menu, select Bus trigger, and select bus type as I2C, set parameters
based on the characteristics of the signal, trigger the signal correctly and obtain
stable display. Refer to "I2C Trigger" on page 38.
(4) Push the Decode button on the front panel. Select bus type as I2C. set parameters
based on the characteristics of the signal. When the parameters are set correctly,
the information carried by the signal will be displayed.
Tip: If there are repetitive menu items in both trigger menu and decoding menu, you
can set anyone of them, the other will be changed synchronously.
Decoded information interpretation:
Information
Abbreviation
Background
Read Address
R, Read, or do not display
Green
Write Address
W, Write, or do not display
Green
Data
D, Data, or do not display
Black
Note:
Use the Trigger Level knob to adjust the thresholds of bus trigger and bus
decoding.
When the ACK (ACKnowledge Character) is not met, two red error marks will be
displayed in the corresponding position in the waveform.
I2C Decoding menu list:
MENU
SETTING
INSTRUCTION
Bus Type I2C Set bus type of decoding as I2C.
Display Format
Binary
Decimal
Hex
ASCII
Set the display format of the bus.
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