4.Advanced User Guidebook
position in the waveform.
UART Decoding menu list:
Set bus type of decoding as UART.
Select from the Baud list on the left.
Click or to set the Baud. The range is 50 to
10,000,000.
Tip: You can select the nearest value in Common Baud,
and then adjust it in this menu.
Set the data width of each frame to match the signal.
It can be set to 5, 6, 7 or 8.
Set the even-odd check mode to match the polarity
used by the signal.
Set the display format of the bus.
Select "ON" to display the event table.
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.
Select "ON" to display the ASCII table.
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 40.
(4) Click to call up the menu panel. Click the Decode softkey on panel to
switch to the ON state. 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.
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