AK1548 Datasheet, PDF (23/42 Pages) Asahi Kasei Microsystems – 8GHz Low Noise Integer-N Frequency Synthesizer

[AK1548]
< Address1 : N Counter >
D[21:20]
D19
0
CPGAIN
D[18:6]
B[12:0]
D[5:0]
A[5:0]
Address
01
D21, D20 : These bits are set to the following for normal operation
D21 D20
0
0
CPGAIN : Sets the charge pump current
When {FAST[1:0]} is NOT ”11Bin” :
D19
Function
0
CP1 is enabled
1
CP2 is enabled
When {FAST[1:0]} is ”11Bin” :
D19
Function
0
CP1 is enabled
CP2 is enabled, also
1
Timer is enabled
Remarks
Remarks
B[12:0] : B (Programmable) counter value
D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 Function
0000000000000
0
0000000000001
1 Dec
0000000000010
2 Dec
0000000000011
3 Dec
Remarks
Prohibited
Prohibited
Prohibited
DATA
1 1 1 1 1 1 1 1 1 1 1 0 1 8189 Dec
1 1 1 1 1 1 1 1 1 1 1 1 0 8190 Dec
1 1 1 1 1 1 1 1 1 1 1 1 1 8191 Dec
MS1364-E-00
23
2012/1