adf4212l Analog Devices, Inc., adf4212l Datasheet - Page 13

• Manufacturer Part Number: adf4212l
• Description: Dual Low Power Pll Frequency Synthesizer
• Manufacturer: Analog Devices, Inc.

IF N COUNTER LATCH
REV. A
DB23
P8
P8
0
1
IF CP GAIN
DISABLED
ENABLED
DB22
P7
P7
0
1
IF POWER-DOWN
DISABLED
ENABLED
PRESCALER
DB21
P6
IF
P6
0
0
1
1
DB20
P5
B12
P5
0
1
0
1
0
0
.
.
.
1
1
1
1
DB19
B12
PRESCALER VALUE
8/9
16/17
32/33
64/65
B11
0
0
.
.
.
1
1
1
1
DB18
B11
DB17
B10
B10
0
0
.
.
.
1
1
1
1
DB16
B9
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB15
B8
Table IV. IF N Counter Latch Map
12-BIT B COUNTER
DB14
B7
B3
0
1
.
.
.
1
1
1
1
DB13
B6
B2
1
0
.
.
.
0
0
1
1
DB12
B5
–13–
DB11
B1
B4
1
0
.
.
.
0
1
0
1
DB10
B3
B COUNTER DIVIDE RATIO
3
4
.
.
.
4092
4093
4094
4095
DB9
B2
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, N
DB8
A6
B1
0
0
0
0
.
.
.
1
1
1
1
DB7
A6
A5
0
0
0
0
.
.
.
1
1
1
1
DB6
A5
6-BIT A COUNTER
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB5
A4
DB4
A3
A2
0
0
1
0
.
.
.
0
0
1
1
MIN
DB3
A2
IS (P
ADF4212L
2
A1
0
1
0
1
.
.
.
0
1
0
1
DB2
– P)
A1
A COUNTER
DIVIDE RATIO
60
61
62
63
0
1
2
3
.
.
.
C2 (0)
DB1
CONTROL
BITS
C1 (1)
DB0