AK1542A Datasheet, PDF (16/37 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-00
- 16 -
2012/3