Datasheet

REV. A
ADF4210/ADF4211/ADF4212/ADF4213
–13–
Table IV. IF N Counter Latch Map
B12 B11 B10 B3 B2 B1 B COUNTER DIVIDE RATIO
000..........0113
000..........1004
.................
.................
.................
1 1 1 .......... 1 0 0 4092
1 1 1 .......... 1 0 1 4093
1 1 1 .......... 1 1 0 4094
1 1 1 .......... 1 1 1 4095
0 0 .......... 0 1 1
0 0 .......... 1 0 2
0 0 .......... 1 1 3
0 0 .......... 0 0 4
. . .......... . . .
. . .......... . . .
. . .......... . . .
1 1 .......... 0 0 60
1 1 .......... 0 1 61
1 1 .......... 1 0 62
1 1 .......... 1 1 63
N = BP + A, P IS PRESCALER VALUE SET IN THE FUNCTION LATCH.
B MUST BE GREATER THAN OR EQUAL TO A. FOR CONTIGUOUS
VALUES OF N  F
REF
, N
MIN
is (P
2
– P).
0 0 8/9
0 1 16/17
1 0 32/33
1 1 64/65
0 DISABLE
1 ENABLE
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0)
C1 (1)
A1A2A3A4A5A6B12P5
CONTROL
BITS
12-BIT B COUNTER
DB21
IF N COUNTER LATCH
DB23 DB22
IF
PRESCALER
IF CP
GAIN
IF POWER-
DOWN
P6P7P8 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1
6-BIT A COUNTER
0 DISABLE
1 ENABLE
P6 P5 IF PRESCALER
P7 IF POWER-DOWN
A6 A5 .......... A2 A1
A COUNTER
DIVIDE RATIO
P8 IF CP GAIN