RIGOL
CH1-CH4.
Click WS Thre below WS, then use the pop-up numeric keypad or
➢
scroll with the mouse to set the threshold of the WS signal. When you
modify the WS threshold, a dotted line displaying the current threshold
level is displayed on the screen. The dotted line disappears in about 2 s
after you stop modifying the threshold.
Set the data channel source and the threshold
⚫
Click Data to select the desired data channel source. The available
➢
channels include CH1-CH4.
Click Data Thre below Data, then use the pop-up numeric keypad or
➢
scroll with the mouse to set the threshold of the data signal. When you
modify the threshold of the data signal, a dotted line displaying the
current threshold level is displayed on the screen. The dotted line
disappears in about 2 s after you stop modifying the threshold.
4. Bus Setting
Click Settings to enter the bus setting menu.
Set the word size
⚫
Click Word Size, then use the pop-up numeric keypad or scroll with the
mouse to set the word size. Its range is from 4 to 32.
Set the receiver word size
⚫
Click Receive, then use the pop-up numeric keypad or scroll with the
mouse to set the receiver word size. Its range is from 4 to 32.
Alignment
⚫
Click Alignment to select the alignment way for data signal. The available
alignment ways include I2S, LJ, and RJ.
Set the WS Low
⚫
Click WS Low continuously to select "Left" or "Right".
Endian
⚫
Click Endian to select "LSB" or "MSB". By default, it is "MSB".
Polarity setting
⚫
Click Data Polarity continuously to select Positive
the polarity for data decoding.
5. Display-related setting
Click Display to enter the display setting menu.
11-34
Chapter 11 Protocol Decoding
or Negative
DS8000-R User Guide
as