ADF4110/ADF4111/ADF4112/ADF4113
Table 8. AB Counter Latch Map
CONTROL
BITS
RESERVED
DB23 DB22
13-BIT B COUNTER
6-BIT A COUNTER
DB21 DB20
G1 B13
DB18 DB17 DB16
DB14 DB13 DB12 DB11 DB10 DB9
DB8 DB7
B1 A6
DB6
A5
DB3 DB2
DB1
DB19
B12
DB15
B8
DB5 DB4
DB0
B11 B10
B9
B7
B6
B5
B4
B3
B2
A4
A3
A2
A1 C2 (0) C1 (1)
X
X
X = DON'T CARE
A COUNTER
DIVIDE RATIO
A6
0
0
0
0
•
A5
A2
0
0
1
1
•
A1
0
1
0
1
•
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
0
0
0
0
•
0
1
2
3
•
•
•
•
•
•
•
•
•
•
•
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
60
61
62
63
B13
0
B12
0
B11
••••••••• •
••••••••• •
B3
B2
B1
B COUNTER DIVIDE RATIO
NOT ALLOWED
0
0
0
0
0
•
0
0
0
0
1
•
0
0
1
1
0
•
0
1
0
1
0
•
0
0
0
0
•
0
0
0
0
•
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
••••••••• •
NOT ALLOWED
NOT ALLOWED
3
4
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
0
1
0
1
8188
8189
8190
8191
F4 (FUNCTION LATCH)
FASTLOCK ENABLE*
CP GAIN
OPERATION
0
0
1
1
0
1
0
1
CHARGE PUMP CURRENT SETTING 1
IS PERMANENTLY USED.
CHARGE PUMP CURRENT SETTING 2
IS PERMANENTLY USED.
CHARGE PUMP CURRENT SETTING 1
IS USED.
CHARGE PUMP CURRENT IS SWITCHED
TO SETTING 2. THE TIME SPENT IN
SETTING 2 IS DEPENDENT UPON WHICH
FASTLOCK MODE IS USED. SEE FUNCTION
LATCH DESCRIPTION.
N = BP + A, P IS PRESCALER VALUE SET IN THE
FUNCTION LATCH, B MUST BE GREATER THAN OR
EQUAL TO A. FOR CONTINUOUSLY ADJACENT VALUES
*SEE TABLE 9
2
OF (N
F ), AT THE OUTPUT, N IS (P –P).
REF
MIN
X
THESE BITS ARE NOT USED
BY THE DEVICE AND ARE
DON'T CARE BITS
Rev. C | Page 16 of 28
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