Source Selection
Click or tap the drop-down butt
ons of
CLK and MISO to select CH1-CH4 to specify
the sour
ces of CLK and MISO respectively. For details, refer to descriptions in
Trigger
Source
. The current trigger source is displayed in the trigger information label at the
top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Edge Type
Select the desired clock edge type in
Slope.
• Rising: samples the MISO data on the rising edge of the clock
.
• Falling: samples the MISO data on the falling edge of the clock.
Trigger Condition
Select the desired trigger condition in
When.
• With CS: if the CS signal is valid, the oscilloscope will trigger when the data
(SD
A) satisfying the trigger conditions is found.
- Click or tap the drop-down button of
CS to select CH1-CH4 as the CS signal
line.
- Af
ter selecting this condition, you can click or tap "Positive" (high level is
valid) or "Negative" (low level is valid) in
CS Mode.
• Timeout: the oscilloscope starts to search for the data (MISO) on which to
trigger after the clock signal (CLK) stays in the idle state for a specified period of
time. After selecting this condition, you can click or tap the Timeout input field,
then use the numeric keyp
ad to set the idle time. You can also use the
corresponding multipurpose knob to set the value. The range is from 8 ns to 10
s.
Data
Click or tap the of field of
Data, and then the "Format" int
erface is displayed. You can
set the data bit that needs to be operated on. For details, refer to descriptions in
I2C
Trigger
.
Data Bits
Click or tap the input field of
DataBits, and then use the pop-up numeric keyp
ad to
set the number of bits in the serial data string. You can also use the corresponding
Triggering the Oscilloscope
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
DHO1000 User Guide
107
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