adf4206 Analog Devices, Inc., adf4206 Datasheet - Page 17

• Manufacturer Part Number: adf4206
• Description: Dual Rf Pll Frequency Synthesizers
• Manufacturer: Analog Devices, Inc.

DB21
P16
P16
0
1
DB20 DB19 DB18 DB17 DB16 DB15
P14
0
1
P14
RF1 SECTION
NORMAL OPERATION
POWER-DOWN
B11
RF1 PRESCALER
64/65
32/33
B
0
0
0
0
.
.
.
1
1
1
1
B10
1
1
B9
B
0
0
0
0
.
.
.
1
1
1
1
B8
1
0
B7
B
0
0
0
0
.
.
.
1
1
1
1
11-BIT B COUNTER
9
DB14 DB13
B6
B5
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
RF1 AB COUNTER LATCH
DB12 DB11 DB10
B4
A6
0
0
0
0
.
.
.
1
1
Figure 31. RF1 AB Counter Latch Map
B
0
0
0
0
.
.
.
1
1
1
1
B3
3
Rev. A | Page 17 of 24
B2
0
0
0
0
.
.
.
1
1
A5
B
0
0
1
1
.
.
.
0
0
1
1
2
DB9
B1
N = BP + A, P IS PRESCALER VALUE SET BY P6. B MUST BE GREATER
THAN OR EQUAL TO A. FOR CONTINUOUSLY ADJACENT VALUES OF
N, N
MIN
A4
0
0
0
0
.
.
.
1
1
DB8
IS (P
B
0
1
0
1
.
.
.
0
1
0
1
1
2
DB7
– P).
A6
0
0
0
0
.
.
.
1
1
A3
B
NOT ALLOWED
NOT ALLOWED
2
3
.
.
.
A5
2044
2045
2046
2047
DB6
C
O
6-BIT A COUNTER
U
N
DB5
A4
T
0
0
1
1
.
.
.
1
1
A2
E
R
D
V I
DB4
A3
D I
E
R
0
1
0
1
0
1
.
.
.
A1
DB3
A
A2
I T
O
DB2
A1
ADF4206/ADF4208
A COUNTER
DIVIDE RATIO
0
1
2
3
62
63
C2 (1)
DB1
CONTROL
BITS
C1 (1)
DB0