AK1547 Datasheet, PDF (33/37 Pages) Asahi Kasei Microsystems – 4GHz Low Noise Integer-N Frequency Synthesizer

[AK1547]
14. Frequency Setting Timing Chart (Recommended Flow)
VDD1, VDD2
PDN
Register Write-in
Address 2 Address 0 Address 1
Power down
{PD1}=1
setting
setting
Address 2
Power up
{PD1}=0
CP
Output 1
Hi-z
Output 2
Fig. 102 Frequency settings (controlled by {PD1})
VDD1, VDD2
PDN
Register Write-in
Address 3 Address 0 Address 1
{PD1}=0 setting setting
Hi-z
CP
Output 1
Output 2
Fig. 113 Frequency settings (controlled by INITIAL register)
注)
MS1464-E-00
The function of Address3 is the same as Address2. Before writing in Address3, be sure to set
{PD1}=0. Access to Address3 resets CP to Hi-Z, then set Address0 and 1. Access to
Address1 restarts CP to operating.
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