Datasheet

Data Sheet ADF4154
Rev. C | Page 13 of 24
Table 8. R-Divider Register Map
04833-021
M12
INTERPOLATOR
MODULUS VALUE (MOD)
M11 M10 M3 M2 M1
0 0 .......... 0 1 0 2
0 0 .......... 0 1 1 3
0 0 .......... 1 0 0 4
. . .......... . . . .
. . .......... . . . .
. . .......... . . . .
1 1 .......... 1 0 0 4092
1 1 .......... 1 0 1 4093
1 1 .......... 1 1 0 4094
1
0
0
0
.
.
.
1
1
1
1 1 .......... 1 1 1 4095
R VALUE
DIVIDE RATIO
R4 R3 R2 R1
0
0
0
0
.
.
.
1 12
1 13
1 14
1
0
0
0
1
.
.
.
1
1
1
1
0
1
1
0
.
.
.
0
0
1
1
1
0
1
0
.
.
.
1
2
3
4
.
.
.
0
1
0
1 15
P1 PRESCALER
0 4/5
1 8/9
DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
C2 (0) C1 (1)
M1M2M3M4M5M6M7M8M9M10M11M12R1R3R4
CONTROL
BITS
12-BIT INTERPOLATOR MODULUS VALUE (MOD)/
FAST-LOCK TIMER
4-BIT R VALUE
R2
MUXOUT
0
DB20 DB19
P1M1
DB23 DB22 DB21
M2M3
P3
LOAD
CONTROL
RESERVED
PRESCALER
P3 LOAD CONTROL
0 NORMAL OPERATION
1 LOAD FAST LOCK TIMER
M3 M2 M1 MUXOUT
0 THREE-STATE OUTPUT
DIGITAL LOCK DETECT
ANALOG LOCK DETECT
0
0 N DIVIDER OUTPUT
LOGIC HIGH
LOGIC LOW
0
1 R DIVIDER OUTPUT
1
1 FASTLOCK SWITCH
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1