Owon TAO3000 Dual-Channel Series, User Manual

Page: 52 / 141

4.Advanced User Guidebook
46
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.
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.
ASCII Table
ON
OFF
Select "ON" to display the ASCII table.
3. SPI Decoding
To decode SPI signal:
(1) Connect the clock line (SCLK) and the data line (SDA) of the SPI 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 SPI, set
parameters based on the characteristics of the signal, trigger the signal
correctly and obtain stable display. Refer to "
SPI Trigger " on page 41.
(4) Click to call up the menu panel. Click the Decode softkey on panel to
switch to the ON state. Select bus type as SPI. 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.
Note :

Use the upper knob to adjust the thresholds of bus trigger and bus
decoding.

LS First in Bit Order menu item (Least Significant Bit First) means that the
least significant bit will arrive first: hence e.g. the hexadecimal number
0x12, will arrive as the sequence 01001000 in binary representation, will