ADRF6655ACPZ-R7 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADRF6655ACPZ-R7
Analog Devices
ADRF6655ACPZ-R7 Datasheet PDF : 44 Pages
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ADRF6655
OUPUT MUX
SOURCE
INPUT REF
PATH
SOURCE
DB23 DB22 DB21 DB20 DB19
RMS2 RMS1 RMS0 RS1 RS0
CP
REF
DB18
CPM
PDF
PHASE
OFFSET
POLARITY
PFD PHASE OFFSET
MULTIPLIER VALUE
CP
CP
CURRENT CNTL
MULTIPLIER SRC
CHARGE
PUMP
CONTROL
PFD EDGE
SENSITIVITY
PFD ANTI-
BACKLASH
DELAY
CONTROL BITS
DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
CPBD CPB4 CPB3 CPB2 CPB1 CPB0 CPP1 CPP0 CPS CPC1 CPC0 PE1 PE0 PAB1 PAB0 C3(1) C2(0) C1(0)
PAB1
PAB0
PFD ANTI-BACKLASH
DELAY
0
0
0ns
0
1
0.5ns
1
0
0.75ns
1
1
0.9ns
PE0
REFERENCE PATH EDGE
SENSITIVITY
0
FALLING EDGE
1
RISING EDGE
PE1
DIVIDER PATH EDGE
SENSITIVITY
0
FALLING EDGE (RECOMMENDED)
1
RISING EDGE
CPC1 CPC0
CHARGE PUMP
CONTROL
0
0
BOTH ON
0
1
PUMP DOWN
1
0
PUMP UP
1
1
TRISTATE
CPS CHARGE PUMP CONTROL SOURCE
0
CONTROL BASED ON STATE OF DB7/DB8 (CP CONTROL)
1
CONTROL FROM PFD
CPP1
CPP0
CHARGE PUMP
CURRENT MULTIPLIER
0
0
1
0
1
2
1
0
3
1
1
4
CPB4 CPB3 CPB2 CPB1 CPB0 PFD PHASE OFFSET MULTIPLIER
0
0
0
0
0
0
0
0
0
1
...
...
...
...
...
0
0
1
0
0
...
...
...
...
...
0
1
0
1
0
...
...
...
...
...
1
1
1
1
1
0 × 22.5°/ICP, MULT
1 × 22.5°/ICP, MULT
...
4 × 22.5°/ICP, MULT (RECOMMENDED)
...
10 × 22.5°/ICP, MULT
...
31 × 22.5°/ICP, MULT
CPBD PFD PHASE OFFSET POLARITY
0
NEGATIVE
1
POSITIVE
CPM
0
1
CHARGE PUMP CURRENT
REFERENCE SOURCE
INTERNAL
EXTERNAL
RS1
RS0
INPUT REFERENCE
PATH SOURCE
0
0
2 × REFIN
0
1
REFIN
1
0
0.5 × REFIN
1
1
0.25 × REFIN
RMS2 RMS1 RMS0 OUTPUT MUX SELECT
0
0
0
LOCK DETECT
0
0
1
VPTAT
0
1
0
REFIN (BUFFERED)
0
1
1
0.5 × REFIN (BUFFERED)
1
0
0
2 × REFIN (BUFFERED)
1
0
1
TRISTATE
1
1
0
RESERVED (DO NOT USE)
1
1
1
RESERVED (DO NOT USE)
Figure 74. Charge Pump, PFD, and Reference Path Control Register (R4)
Rev. 0 | Page 30 of 44
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