ADF4157 AD [Analog Devices], ADF4157 Datasheet - Page 10

• Manufacturer Part Number: ADF4157
• Description: High Resolution 6 GHz Fractional-N Frequency Synthesizer
• Manufacturer: AD [Analog Devices]

ADF4157
REGISTER MAPS
NOTES
1. DBB = DOUBLE BUFFERED BIT(S).
DB31
DB31
DB31
DB31
DB31
0
0
0
0
0
RESERVED
DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DB30 DB29 DB28 DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
M4
0
0
0
0
CONTROL
MUXOUT
M3
0
0
0
0
M2
C1
0
0
0
CPI4 CPI3 CPI2 CPI1
F13
M1
0
0
CURRENT
SETTING
N12
F12
0
0
N11
F11
0
0
DBB
N10
F10
13-BIT LSB FRACTIONAL VALUE
RESERVED
0
0
12-BIT INTEGER VALUE (INT)
N9
F9
0
0
0
(FRAC) (DBB)
N8
P1
F8
0
0
N7
F7
U2
0
0
N6
U1
F6
0
0
N5
R5
F5
0
0
LSB FRAC REGISTER (R1)
R DIVIDER REGISTER (R2)
FUNCTION REGISTER (R3)
FRAC/INT REGISTER (R0)
5-BIT R-COUNTER
Figure 16. Register Summary
TEST REGISTER (R4)
N4
F4
R4
RESERVED
0
0
Rev. 0 | Page 10 of 20
N3
R3
F3
0
0
N2
R2
F2
0
0
DBB
N1
F1
R1
0
0
F25
U12
0
0
0
F24
0
0
0
0
F23
0
0
0
0
12-BIT MSB FRACTIONAL VALUE
RESERVED
F22
0
0
0
0
F21
0
0
0
0
RESERVED
RESERVED
F20
(FRAC)
0
0
0
0
F19
0
0
0
0
U11
F18
0
0
0
F17
U10
0
0
0
F16
U9
0
0
0
F15
U8
0
0
0
F14 C3(0) C2(0) C1(0)
U7
0
0
0
C3(0) C2(0) C1(1)
C3(0) C2(1) C1(0)
C3(0) C2(1) C1(1)
C3(1) C2(0) C1(0)
CONTROL
CONTROL
CONTROL
CONTROL
CONTROL
BITS
BITS
BITS
BITS
BITS