Chapter 8 Protocol Decoding RIGOL
MSO1000Z/DS1000Z User’s Guide 8-3
In additional, you can also modify the settings of Width, Bit X and CH
manually.
Note: This function is only available for MSO1000Z-S and MSO1000Z model
oscilloscope.
4. Data Line Setting
Set the bus width
Press Width to set the data width of the parallel bus namely the number of
bits per frame. The default is 8 and the range is from 1 to 16.
Specify data channel for each bit.
Press Bit X to select the bit that needs to specify a channel. Press CH to
specify a channel source from CH1-CH4 or D0-D15.
5. Analog Channel Threshold Setting
To judge logic “1” and logic “0” of the buses, you need to set a threshold for
each analog channel (CH1-CH4). When the signal amplitude is greater than the
preset value, it is considered as “1”; otherwise “0”.
Press MATH Decode Options Auto Thre. to turn on or off the auto
threshold function. When auto threshold is turned on, the middle value of the
channel waveform is defined as the digital threshold level. When auto threshold
is turned off, you can press Thre.Set to enter the threshold setting menu. Press
CH1, CH2, CH3 and CH4 respectively and use to set the threshold of each
channel. Press 50% and set the current threshold to 50% of the current
waveform trace manually.
6. Display-related Setting
Press Format to set the display format of the bus to HEX, DEC, BIN, ASC or
LINE.
Note: In LINE format, the actual values of the bus are displayed in binary
form and the order is consistent with the bus transmission order. This format
is only valid for the serial bus which includes LSB and MSB endian. If MSB
endian is selected, LINE format is the same as binary.
Press Pos and use to adjust the vertical display position of the bus.
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