AD9834CRUZ Datasheet, PDF (25/36 Pages) Analog Devices – 20 mW Power, 2.3 V to 5.5 V, 75 MHz Complete DDS

SELECT DATA SOURCES
FSELECT AND PSELECT
PINS BEING USED?
YES
SET FSELECT
AND PSELECT
NO
(CONTROL REGISTER WRITE)
PIN/SW = 0
SET FSEL BIT
SET PSEL BIT
(CONTROL REGISTER WRITE)
PIN/SW = 1
Figure 34. Selecting Data Sources
AD9834
Rev. C | Page 25 of 36