Set up an SPI serial bus
NOTE. SPI serial bus setup is available only on instruments with the SR-EMBD option.
From the Bus Setup window, select a bus from the Bus list and then select the SPI Serial bus type.
NOTE. The Components for the SPI bus standard are set by the instrument.
For information on the controls, click the buttons.
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Bus List
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Display & Clear
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Label
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Position
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Serial Input
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Framing
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Serial Threshold
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Polarity
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Idle Time
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Word Size
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Bit Order
To use
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To change the input for a component, click the Input and select a channel from the cascading lists.
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To change the voltage threshold level, click the Threshold entry box and use the keypad to enter a value or use the
multipurpose knobs to select a voltage level.
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To set the polarity, click the Polarity entry box and select from the drop-down list. The selections vary by component.
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To set the word size, click the Word Size entry box and use the keypad to enter a value.
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To set the bit order, click the Bit Order entry box and select from the drop-down list.
Bus setups
DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series 115