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Figure 18.2 Parallel Decoding Menu
Bus Status
Click or tap the
Bus Status on/off switch to enable or disable the bus decoding.
18.1.1 Clock Setting (CLK)
Clock Setting (CLK)
Click or tap the drop-down button of
CLK to select from analog channels CH1-CH4 or
digital channels D0-D15 (available only when the digital channel probe is connected).
If "OFF" is selected, no clock channel is set, and sampling is performed when a hop
occurs to the data of the data channel during decoding.
Threshold
You need to set a threshold when the clock signal is an analog channel (CH1-CH4).
Click or tap the input field of Threshold, and then use the pop-up numeric keypad to
set the threshold. You can also use the corresponding multipurpose knob to set the
value. The range of the threshold is related to the current vertical scale and offset.
CLK Edge
You can select "Rising", "Falling", or "Both" in
CLK Edge when the clock channel is
set to an analog channel (CH1-CH4).
• Rising: samples the channel data on the rising edge of the clock.
• Falling: samples the channel data on the falling edge of the clock.
• Both: samples the channel data on the rising edge or the falling edge of the
clock.
Protocol Decoding
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved. DHO900 User Guide
195
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