adf4218l Analog Devices, Inc., adf4218l Datasheet - Page 17

• Manufacturer Part Number: adf4218l
• Description: Dual Low Power Frequency Synthesizers
• Manufacturer: Analog Devices, Inc.

REV. C
DB21
P16
P16
0
1
DB20
P14
0
1
P14
RF SECTION
NORMAL OPERATION
POWER-DOWN
DB19
B11
RF PRESCALER
ADF4217L
64/65
32/33
B11
0
0
0
0
.
.
.
1
1
1
1
DB18
B10
B10
0
0
0
0
.
.
.
1
1
1
1
DB17
B9
Table VIII. ADF4217L/ADF4218L RF AB Counter Latch Map
DB16
B9
0
0
0
0
.
.
.
1
1
1
1
B8
RF PRESCALER
ADF4218L
32/33
64/65
11-BIT B COUNTER
DB15
B7
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB14
B6
DB13
B5
B3
0
0
0
1
.
.
.
1
1
1
1
RF AB COUNTER LATCH
DB12
B4
B2
0
1
1
0
.
.
.
0
0
1
1
DB11
B3
–17–
DB10
B1
1
0
1
0
.
.
.
0
1
0
1
B2
N = BP + A, P IS PRESCALER VALUE SET BY P6, B MUST BE
GREATER THAN OR EQUAL TO A. TO ENSURE CONTINUOUSLY
ADJACENT VALUES OF N F
A6
0
0
0
0
.
.
.
1
1
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
2044
2045
2046
2047
3
4
.
.
.
DB9
B1
A5
0
0
0
0
.
.
.
1
1
USED
NOT
DB8
ADF4217L/ADF4218L/ADF4219L
A4
0
0
0
0
.
.
.
1
1
DB7
A6
A3
0
0
0
0
.
.
.
1
1
DB6
A5
REF
6-BIT A COUNTER
A2
0
0
1
1
.
.
.
1
1
, N
DB5
A4
MIN
IS (P
A1
0
1
0
1
.
.
.
0
1
DB4
A3
2
– P).
A COUNTER DIVIDE RATIO
62
63
0
1
2
3
.
.
.
DB3
A2
DB2
A1
C2 (1)
DB1
CONTROL
BITS
C1 (1)
DB0