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- Data: Its display format is the same as that of the bus data (Hex, Dec, Bin, or
ASCII), displayed as a green patch.
- TCRC (Tail Cyclic Redundancy Check): expressed in Hex, displayed as a yellow-
green patch. When CRC errors occur, it is displayed as a red patch.
TSS
Frame ID TCRC
HCRC Data
Sync Frame PL
CRC
15.8 I2S Decoding (Option)
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 setting menu, press Decode1 > Bus Type, then rotate the
multifunction knob to select "I2S". Press down the knob to select it. You can also
press Bus Type continuously or enable the touch screen to select it.
1. Enable or Disable the Bus
Press Bus Status continuously to enable or disable the decoding function.
2. Quickly Apply I2S Trigger Settings to I2S Decoding
Press Copy Trig to copy the current I2S trigger settings and apply them to I2S
decoding function (set the corresponding I2S decoding parameters automatically).
For analog channels, the threshold level settings will also be copied.
3. Set the Source
Press Sources to enter the signal setting menu.
- Set the serial clock channel source, threshold, and clock edge
- Press SCLK, rotate the multifunction knob to select the desired source
channel, and then press down the knob it. You can also press SCLK
continuously or enable the touch screen to select it. You can select CH1-CH4
or D0-D15.
- When you select the analog channel (CH1-CH4), press SCLK Thre below
SCLK, then rotate the multifunction knob or use the pop-up numeric
Protocol Decoding
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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