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Chapter 11 Protocol Decoding RIGOL
DS8000-R User Guide 11-3
Click Threshold, then use the pop-up numeric keypad or scroll with the
mouse to set the threshold.
3
． Bus setting
Click Bus to enter the bus setting menu.
âš« Set the bus
Click BUS to select the digital bus for Parallel decoding, as shown in the
following table.
Bus
Width
Bit X
Channel
Remarks
CH1
1
0
CH1
Width, Bit X, and CH
are set automatically,
and you cannot modify
them.
CH2
1
0
CH2
Width, Bit X, and CH
are set automatically,
and you cannot modify
them.
CH3
1
0
CH3
Width, Bit X, and CH
are set automatically,
and you cannot modify
them.
CH4
1
0
CH4
Width, Bit X, and CH
are set automatically,
and you cannot modify
them.
User
1-4
0 (default)
--
--
âš« Set the width
When BUS is set to "User", you can set the bus width. Click Width, and use
the pop-up numeric keypad or scroll with the mouse to set the width. The
available range is from 1 to 4. By default, it is 1. When BUS is set to CH1,
CH2, CH3, or CH4, the Width menu is grayed out and disabled.
âš« Specify data channel for each bit
When "BUS" is greater than 1, you can specify data channel for each bit.
Click Bit X, then use the pop-up numeric keypad or scroll with the mouse to
set the bit of the channel. By default, 0 is selected. Its available range is
from 0 to (width - 1).
Click CH to select a channel source. The analog channel (CH1-CH4) can be
selected as the channel source.
âš« Set the threshold level
To judge logic "1" and logic "0" of the buses, you need to set a threshold for
each analog channel (CH1-CH4). When the channel signal amplitude is
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