AK1572 Datasheet, PDF (19/35 Pages) Asahi Kasei Microsystems – Down Converter Mixer with Fractional-N Frequency Synthesizer and VCO

D [11]
FASTEN : Fast Lock mode setting
Enable / disable fast lock mode.
0: Disable fast lock mode
1: Enable fast lock mode
Please refer to "14. Fast lock mode" for details.
D[10:7]
FAST [3:0] : Fast lock timer setting
Set the count number of fast lock timer.
Count Number = 511 + FAST[3:0] × 512
TIMER[3:0]
Count Number
0
511
1
1023
2
1535
3
2047
4
2559
5
3071
6
3583
7
4095
8
4607
9
5119
10
5631
11
6143
12
6655
13
7167
14
7679
15
8191
D [6]
CPHIZ: Charge Pump TRI-STATE
Set the charge pump output in Tri-State.
0: Normal
1: Tri-State
MS1551-E-00
19
[AK1572]
2013/8