AK1546 Datasheet, PDF (19/39 Pages) Asahi Kasei Microsystems – 3GHz Low Noise Integer-N Frequency Synthesizer

[AK1546]
10. Function Description - Registers
< Address0 : R Counter >
D[21:19]
D18
D[17:16]
D15
D14
0
LDP
0
Low Noise
0
D[13:0]
R[13:0]
D[21:19], D[17:16] , D14 : These bits are set to the following for normal operation.
D21
D20
D19
D17
D16
D14
0
0
0
0
0
0
Address
00
LDP : Lock Detect Precision
The counter value for digital lock detect can be set.
D18
Function
Remarks
15 times Count unlocked to locked
0
3 times Count locked to unlocked
31 times Count unlocked to locked
1
7 times Count locked to unlocked
Low Noise : Selects Low Noise mode
D15
Function
0
Normal Mode
1 Low Noise Mode
Remarks
IDD2 increases by 1.3mA
MS1388-E-00
19
2012/3