Evaluation Board User Guide
UG-272
USING THE EVALUATION BOARD SOFTWARE
Figure 4. AD9833 DDS Evaluation Software
SETTING UP THE DIGITAL INTERFACE
The first software step in setting up the AD9833 to make some
measurements is to set the DIGITAL INTERFACE value. The
EVAL-SDP-CB1Z has two connectors plugs: connectorA and
connectorB. Select the connector you want to use with the
AD9837 evaluation board from the drop-down box.
The SPI Frame Frequency (/SYNC) box and SCLK Frequency
box can also be set in this window. If the SPI interface speed has
not been decided, leave the default values shown in Figure 5.
Figure 5. Digital Interface
Rev. A | Page 5 of 12
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