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Chapter 11 Protocol Decoding RIGOL
MSO7000/DS7000 User's Guide 11-19
2． Quickly apply SPI trigger settings to SPI decoding
Press Copy Trig to copy the SPI trigger settings and apply them to SPI
decoding function (set the corresponding SPI decoding parameters
automatically). For analog channels, the threshold level settings will also be
copied.
3
． Mode
Press Mode to enter the mode setting menu. Press Mode continuously to select
"Timeout" or "CS".
Timeout: you can perform frame synchronization according to the timeout,
and the timeout value must be greater than half of the clock cycle. Press
Timeout, and then rotate the multifunction knob or use the pop-up
numeric keypad to set the timeout value. The available range of the timeout
value is from 8 ns to 10 s. By default, it is 1 μs.
CS: contains a chip select line (CS). You can perform frame synchronization
according to CS. When "CS" is selected,
Press CS and rotate the multifunction knob to select the desired
channel, and then press down the knob to select it. You can also press
CS continuously or enable the touch screen to select it. The analog
channel (CH1-CH4) and digital channel (D0-D15) can all be selected as
the CS channel.
Press CS Polarity continuously to select (Positive) or
(Negative) as the polarity for CS channel.
When you select the analog channel (CH1-CH4) as the CS channel,
press Threshold, then rotate the multifunction knob or use the
pop-up numeric keypad to set the threshold.
4
． Source setting
Press Sources to enter the source setting menu.
CLK setting
Press CLK and rotate the multifunction knob to select the desired
source of the clock channel, and then press down the knob to select it.
You can also press CLK continuously or enable the touch screen to
select it. The analog channel (CH1-CH4) and digital channel (D0-D15)
can all be selected.
When you select the analog channel (CH1-CH4), press Threshold
below the CLK menu, then rotate the multifunction knob or use
the pop-up numeric keypad to set the threshold of the clock channel.
Press Slope continuously to set the instrument to sample MISO and
MOSI on the rising edge (
) or falling edge ( ) of the clock signal.
MISO and MOSI setting
Press MISO and rotate the multifunction knob to select the
desired MISO data channel, and then press down the knob to select it.
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