Datasheet

Data Sheet ADF4154
Rev. C | Page 11 of 24
REGISTERS
Table 6. Register Summary
NOISE AND SPUR REG
DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB1 DB0
C2 (1) C1 (1)
T1T2T3T4T5T6T7T8
NOISE AND SPUR
MODE
DB2
T9
NOISE
AND SPUR
MODE
RESERVED
N-DIVIDER REG
DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (0)F1F2F3F4F5F6F7F8F9F10F11F12N1N3N4N5N6
CONTROL
BITS
CONTROL
BITS
CONTROL
BITS
CONTROL
BITS
12-BIT RF FRAC VALUE
DB23 DB22 DB21
N7N8N9
9-BIT RF N VALUE
N2
FAST-LOCK
FL1
R-DIVIDER REG
DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (1)
M1M2M3M4M5M6M7M8M9M10M11M12R1R3R4
12-BIT INTERPOLATOR MODULUS VALUE/
FAST-LOCK TIMER
4-BIT
R VALUE
R2
MUXOUT
P2
DB20 DB19
P1M1
DB23 DB22 DB21
M2M3P3
LOAD
CONTROL
RESERVED
RESERVED
PRESCALER
CONTROL REG
REF
IN
DOUBLER
DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (1) C1 (0)
U1U2U3U4U5CP0CP1CP2U60000
CHARGE PUMP
CURRENT
SETTING
PHASE
DETECTOR
POLARITY
RESERVED
LOCK DETECT
PRECISION
RF POWER-
DOWN
RF
CHARGE PUMP
THREE-STATE
RF COUNTER
RESET
DB15
CP3
CP/2
04833-019