It is necessary to submit what teams to SPI port in order that will establish singl tone. Tell please as it is possible in more detail I the beginner and badly still I understand as it is necessary to work with SPI port. Thanks in advance.
Please refer to the serial port operation section in the data sheet for the specific DDS part number. In addition, please search the forum for general steps to program the DDS. If you have specfic questions on the SPI port please forward.
I have AD9957/PCBZ. I can't understand as to work with SPI port. Please give a detailed example with explanations what data and where (on what legs) and in what sequence. I will be very grateful.
Roma - please look at this discussion: http://ez.analog.com/message/40445#40445
This has a good example of the order in which registers should be programmed.
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