AK1542A_17 Datasheet, PDF (16/38 Pages) Asahi Kasei Microsystems – 20 to 600MHz Integer-N Frequency Synthesizer

Unlock(LD=”Low”
)
Flag=0
No
Phase Error < T
Yes
Flag=Flag+1
No
Flag>N
Yes
Lock(LD=”High”)
Fig. 9 Transition Flow Chart: Unlock State to Lock State
Lock(LD=”High”)
Address2 write
Flag=0
No
Phase Error > T
Yes
Flag=Flag+1
No
Flag>N
Yes
Unlock(LD=”Low”)
Fig. 10 Transition Flow Chart: Lock State to Unlock State
[AK1542A]
MS1399-E-02
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2014/4