Chapter 8 Protocol Decoding RIGOL
MSO4000/DS4000 User’s Guide 8-25
The decoded data information displayed in the bus is related to the
horizontal time base. You can view the detailed information by reducing
the horizontal time base.
2) If a USB storage device is currently connected to the instrument, you can
press Export to export the decoded data list to the external USB storage
device in CSV format.
11. Error expressions during decoding
In SPI decoding, the decoding errors are expressed in red patches.
For example, when the data bits is set to 9, the CS signal (SS) polarity is set to
positive and clock signal (SCLK) slope is set to rising edge, the decoding error as
shown in the figure below is generated.
After setting the data bits to 8, the decoding becomes correct.
5 rising edges; lower than the data bits “9”
SCLK
SDA
SDA
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