adf4153 Analog Devices, Inc., adf4153 Datasheet - Page 12

• Manufacturer Part Number: adf4153
• Description: Fractional-n Frequency Synthesizer
• Manufacturer: Analog Devices, Inc.

ADF4153
Table 8. R Divider Register Map (R1)
P3
0
1
LOAD CONTROL
NORMAL OPERATION
LOAD RESYNC
DB23 DB22 DB21
P3
M3
0
0
0
0
1
1
1
1
M3
MUXOUT
M2
M2
0
0
1
1
0
0
1
1
DB20 DB19
M1
P1
0
1
M1
0
1
0
1
0
1
0
1
0
DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10
P1
PRESCALER
MUXOUT
THREE-STATE OUTPUT
DIGITAL LOCK DETECT
N DIVIDER OUTPUT
LOGIC HIGH
R DIVIDER OUTPUT
ANALOG LOCK DETECT
FASTLOCK SWITCH
LOGIC LOW
4/5
8/9
R4
R4
0
0
0
0
.
.
.
1
1
1
1
4-BIT R COUNTER
R3
R3
0
0
0
1
.
.
.
1
1
1
1
R2
R2
0
1
1
0
.
.
.
0
0
1
1
R1
Rev. B | Page 12 of 24
M12
0
0
0
.
.
.
1
1
1
1
M12
R1
1
0
1
0
.
.
.
0
1
0
1
M11
M11
0
0
0
.
.
.
1
1
1
1
RF R COUNTER
DIVIDE RATIO
1
2
3
4
.
.
.
12
13
14
15
M10
12-BIT INTERPOLATOR MODULUS VALUE (MOD)
M9
M10
0
0
0
.
.
.
1
1
1
1
DB9
M8
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
DB8
M7
DB7
M6
M3
0
0
1
.
.
.
1
1
1
1
DB6
M5
DB5
M4
M2
1
1
0
.
.
.
0
0
1
1
DB4
M3
M1
0
1
0
.
.
.
0
1
0
1
DB3
M2
INTERPOLATOR
MODULUS VALUE (MOD)
2
3
4
.
.
.
4092
4093
4094
4095
DB2
M1
C2 (0) C1 (1)
DB1
CONTROL
BITS
DB0