•
R (remote frame): identified as "R:".
•
Stuff (Bit filling error): identified as "Stuff".
15.7
I2S Decoding (Optional)
The oscilloscope samples the I2S signal, and judges each data point to be logic "1" or
logic "0" according to the preset threshold level. I2S decoding is required to specify
the serial clock, channel signal, and the data's source channel. You need to set
Alignment, WS Low, and other parameters.
In the Decode menu, click or tap the drop-down button of Bus Type to select I2S,
then configure the parameters for I2S decoding.
Bus Status
Click or tap the Bus Status on/off switch to enable or disable the bus decoding.
Quickly apply trigger settings to decoding
Copy trig indicates applying the trigger settings to the specified decoding setting.
Click or tap Copy Trig to apply the trigger settings to the specified decoding setting.
15.7.1
Source Setting
Set the SCLK source and threshold
•
Click or tap the drop-down button of SCLK to select the desired channel (CH1-
CH4) as the serial clock source.
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Figure 15.19 I2S Decoding Menu
Protocol Decoding
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