ADF4217L/ADF4218L/ADF4219L
Table IV. ADF4217L/ADF4218L/ADF4219L IF Reference Counter Latch Map
IF REFERENCE COUNTER LATCH
THREE-STATE
CP
IF
IF PD
POLARITY
ADF4219L
ONLY
IF LOCK
DETECT
IF CP
GAIN
IF F
O
14-BIT REFERENCE COUNTER, R
CONTROL
BITS
DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10
P4
P3
P2
P5
P1
R15
R14
R13
R12
R11
R10
R9
DB9
R8
DB8
R7
DB7
R6
DB6
R5
DB5
R4
DB4
R3
DB3
R2
DB2
R1
DB1
DB0
C2 (0) C1 (0)
R15
0
0
0
0
.
.
.
0
0
0
0
.
P1
0
1
PD POLARITY
NEGATIVE
POSITIVE
1
R14
0
0
0
0
.
.
.
1
1
1
1
.
1
R13
0
0
0
0
.
.
.
1
1
1
1
.
1
R12
0
0
0
0
.
.
.
1
1
1
1
.
1
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
R3
0
0
0
1
.
.
.
1
1
1
1
.
1
R2
0
1
1
0
.
.
.
0
0
1
1
.
1
R1
1
0
1
0
.
.
.
0
1
0
1
.
1
DIVIDE RATIO
1
2
3
4
.
.
.
16380
16381
16382
16383
.
32767
P5
0
1
I
CP
1.0mA
4.0mA
P2
0
1
CHARGE PUMP
OUTPUT
NORMAL
THREE-STATE
P12
P11
FROM RF R LATCH
0
0
0
0
0
0
1
1
1
1
1
1
0
0
X
X
1
1
X
X
0
0
1
1
P4
0
0
1
1
0
0
0
0
1
1
1
1
P3
0
1
0
1
0
1
0
1
0
1
0
1
MUXOUT
LOGIC LOW STATE
IF ANALOG LOCK DETECT
IF REFERENCE DIVIDER OUTPUT
IF N DIVIDER OUTPUT
RF ANALOG LOCK DETECT
RF/IF ANALOG LOCK DETECT
RF REFERENCE DIVIDER
RF N DIVIDER
FAST LOCK OUTPUT SWITCH ON
AND CONNECTED TO MUXOUT
IF COUNTER RESET
RF COUNTER RESET
IF AND RF COUNTER RESET
REV. C
鈥?3鈥?/div>
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