Datasheet

Data Sheet ADF4153A
Rev. A | Page 11 of 24
F12 F11 F10
F3 F2
F1 FRACTIONAL VALUE (FRAC)
0 .......... 0
0 .......... 0
0
..........
0
0 ..........
0
. .......... .
.
.......... .
. .......... .
1 .......... 1 4092
1 .......... 1
4093
1 .......... 1 4094
1
0
0
0
0
.
.
.
1
1
1
1
0
0
0
0
.
.
.
1
1
1
1
0
0
1
1
.
.
.
0
0
1
1
0
1
0
1
.
.
.
0
1
2
3
.
.
.
0
1
0
1.......... 1 4095
N9 N8 N7 N6 N5 N4 N3 N2 N1 INTEGER VALUE (INT)
0 0 0 1 1 31
0 0 1
0 0 32
0 0 1 0 1 33
0 0 1 0
0 34
. . . . . .
. . . . . .
. . . . . .
1 1 1
1 1 509
1 1 1 1
0 510
1
0
0
0
0
.
.
.
1
1
1 1 1
1
0
0
0
.
.
.
1
1
1
1
0
0
0
.
.
...
1
1
1 1
1
0
0
1
.
.
.
0
1
1 1 511
FL1 FASTLOCK
0 NORMAL OPERATION
1 FASTLOCK ENABLED
DB20 DB19
DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4
DB3
DB2 DB1 DB0
C2 (0) C1 (0)
F1F2F3
F4
F5F6
F7
F8
F9F10F11F12
N1N3N4N5N6
CONTROL
BITS
12-BIT FRACTIONAL VALUE (FRAC)
DB23 DB22
DB21
N7
N8
N9
9-BIT INTEGER VALUE (INT)
N2
FASTLOCK
FL1
1
1047-017
Figure 17. N Divider Register Map (R0)