Datasheet

REV. A
ADF4210/ADF4211/ADF4212/ADF4213
–15–
Table VI. RF N Counter Latch Map
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (1) C1 (1)
A1A2A3A4A5A6B12
CONTROL
BITS
12-BIT B COUNTER
DB21
RF N COUNTER LATCH
DB23 DB22
RF
PRESCALER
RF CP
GAIN
RF POWER-
DOWN
P17 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1P16 P15 P14
6-BIT A COUNTER
B12 B11 B10 B3 B2 B1 B COUNTER DIVIDE RATIO
000..........0113
000..........1004
.................
.................
.................
111..........1004092
111..........1014093
111..........1104094
111..........1114095
A COUNTER
A6 A5 .......... A2 A1 DIVIDE RATIO
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
0 DISABLE
1 ENABLE
P15 P14 PRESCALER
P16 RF POWER-DOWN
P17 RF CP GAIN