EVAL-AD5932EBZ User Guide
The increment frequency determines the duration of the DAC
output signal for each individual frequency of the frequency
scan. The
AD5932
offers the user two choices:
The duration is a multiple of cycles of the output
frequency (f
)
OUT
The duration is a multiple of MCLK cycles (MCLK)
Figure 4. DAC Output Determination Options
The SYNCSEL and MSB outputs are also available from the
EVAL-AD5932EBZ
evaluation board. The user can select
whether to create a pulse at the end of sweep (EOS) or at the
end of each frequency increment using the SYNCSEL
FUNCTION, as shown in Figure 5.
Figure 5. Pin Configuration
Finally, the PROGRAM button (see Figure 6) writes this
information to the
sweep, click CONTROL. The STANDBY pin allows sections
of the
AD5932
minimize power consumption. The INTERRUPT pin allows
the user to interrupt during a frequency scan.
Rev. A | Page 5 of 10
AD5932
registers. To start the frequency
that are not in use to be powered down to
Figure 6. Control Pins
UG-796
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