adf4218l Analog Devices, Inc., adf4218l Datasheet - Page 14

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

ADF4217L/ADF4218L/ADF4219L
DB21
P7
0
1
P7
DB20
P6
0
1
P6
IF SECTION
NORMAL OPERATION
POWER-DOWN
DB19
B11
B11
0
0
0
.
.
.
1
1
1
1
IF PRESCALER
8/9
16/17
DB18
B10
B10
0
0
0
.
.
.
1
1
1
1
DB17
B9
B9
0
0
0
.
.
.
1
1
1
1
DB16
Table V. ADF4217L/ADF4218L IF AB Counter Latch Map
B8
11-BIT B COUNTER
DB15
B7
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB14
B6
DB13
B3
0
0
0
.
.
.
1
1
1
1
B5
IF AB COUNTER LATCH
DB12
B4
B2
0
1
1
.
.
.
0
0
1
1
DB11
B3
–14–
B1
1
0
1
.
.
.
0
1
0
1
DB10
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, N
A6
0
0
0
0
.
.
.
1
1
B COUNTER DIVIDE RATIO
NOT ALLOWED
NOT ALLOWED
3
.
.
.
2044
2045
2046
2047
DB9
B1
A5
0
0
0
0
.
.
.
1
1
USED
NOT
DB8
A4
0
0
0
0
.
.
.
1
1
DB7
A6
A3
0
0
0
0
.
.
.
1
1
DB6
A5
MIN
6-BIT A COUNTER
A2
0
0
1
1
.
.
.
1
1
IS (P
DB5
A4
2
– P).
A1
0
1
0
1
.
.
.
0
1
DB4
A3
A COUNTER DIVIDE RATIO
0
1
2
3
.
.
.
62
63
DB3
A2
DB2
A1
C2 (0)
DB1
CONTROL
BITS
C1 (1)
DB0
REV. C