Datasheet

Data Sheet AD5560
Rev. D | Page 43 of 68
NO
WRITE NEW
FIN ×1 DAC VALUE
UPDATE DAC
CODE?
NO
YES
NO
CHANGE RAM P
START?
NEW RAMP
YES
CHANGE
STEP SIZE?
SELECT RAMP SIZE
PROGRAM
CLOCK DIVIDER
CHANGE
CLOCK
DIVISION?
YES
NO
YES
NO
YES
YES
NO
WRITE RAMP END CODE
RAMP MODE
ENABLE RAMP
CALCULATE
NEXT DAC CODE
LOAD DAC
DO NOT LOAD DAC.
RETAIN PREVIOUS
VALUE
TERMINATE RAMP
RAMP
COMPLETE?
INTERRUPT
RAMP?
ALARM?
RETURN TO
NORMAL MODE
07779-011
Figure 58. Flow Chart for Ramp Function