User Manual

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1. Press the Setup button to enter the TRIGGER menu.
2. Press the Type softkey.
3. Turn the Universal Knob to select Serial.
4. Press the Protocol softkey to select SPI.
5. Press the Signal softkey to assign signals to the different channels and its respective
threshold.
6. Press the softkey and press the Trigger Setting softkey to enter the SPI TRIG SET menu.
Figure 74: SPI TRIG SET menu
7. Press the Trigger Type softkey to select the trigger condition.
 MISO DATA (Master-In, Slave-Out) - for triggering on the MISO data signal.
 MOSI DATA (Master-Out, Slave-In) - for triggering on the MOSI data signal.
8. Press the Data Length softkey.
9. Turn the Universal Knob to set the number of bits in the serial data string. The number of bits
in the string can be set from 4 bits to 96 bits. The data values for the serial string are displayed
in the MISO/ MOSI data string in the waveform area.
10. For each bit in the MISO/ MOSI data string:
a. Press the Bit Roll softkey. Turn the Universal Knob to select the bit location. As you rotate
the Universal knob, the bit is highlighted in the Data string shown in the waveform area.
b. Press the Bit Value softkey to set the bit selected in the Bit Roll softkey to 0 (low), 1 (high),
or X (don't care).
11. Pressing the All Same softkey will set all bits in the data string to 0 (low), 1 (high), or X (don't
care) at once.
12. Press the Next Page softkey to see the last menu item Bit Order.
13. Press the Bit Order softkey to set the bit order to LSB (least significant bit) first or MSB (most
significant bit) first. This will determine which bit will be used first when displaying data in the
serial decode waveform and in the Lister.