Serial Trigger and Decode
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7.2.3 SPI Serial Decode
Once the setup of SPI signal and trigger is complete, the SPI signals can be decoded.
Operation steps as follows:
1. Touch
Decode
–>
Decode
. Select one of the options from the
Decode1
and
Decode2
.
2. Touch
Display
and select
On
to display the result of decoding.
3. Touch
List
to enter the
LIST
function menu.
4. Touch
Display
and choose the same options as the first step.
5. Touch Lines and set the number of lines by
Universal Knob
. The range of the lines is 1 to 7.
6. Touch
Format
to change the character encoding format of the decoder’s result.
7. Touch
Scroll
and turn the
Universal Knob
to view all frames.
Interpreting SPI Decode
The frames of decoding result
:
• The data values are displayed in frames and are shown in white. Support 4 96 bit data display.
•
MISO
— the decoding result of “Master-In, Slave-Out” line.
•
MOSI
— the decoding result of “Master-Out, Slave-In” line.
•
Indicates there is not enough space on the display to show the complete content of a frame, and some content is
hidden.
Figure 7.16
SPI Decode Bus Display
The lists of decoding result
:
•
Time
— the horizontal displacement between current frame and trigger position.
•
MISO
— the decoding result of “Master-In, Slave-Out” line.
•
MOSI
— the decoding result of “Master-Out, Slave-In” line.
Figure 7.17
SPI Decode List Display