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ADF4156 Datasheet(PDF) 10 Page - Analog Devices

Part # ADF4156
Description  6 GHz Fractional-N Frequency Synthesizer
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADF4156 Datasheet(HTML) 10 Page - Analog Devices

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ADF4156
Rev. 0 | Page 10 of 24
REGISTER MAPS
FRAC/INT REGISTER (R0)
PHASE REGISTER (R1)
MOD/R REGISTER (R2)
FUNCTION REGISTER (R3)
CLKDIV REGISTER (R4)
DB31
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
0
M4
M3M2M1
N12
N11
N10
N9
RE-
SERVED
MUXOUT CONTROL
12-BIT INTEGER VALUE (INT)
12-BIT FRACTIONAL VALUE (FRAC)
CONTROL
BITS
N8
N7
N6
N5
N4
N3
N2
N1
F12
F11
F10
F9
F8
F7
F6
F5
F4
F3
F2
F1 C3(0) C2(0) C1(0)
DB31 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
00
000
0
0
0
0
RESERVED
12-BIT PHASE VALUE (PHASE) (DB)
CONTROL
BITS
0
0
0
0
0
0
0
0
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1 C3(0) C2(0) C1(1)
DB31 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
0
L2
L1
C1
CPI4 CPI3 CPI2 CPI1
0
P1
U2
U1
R5
R4
R3
R2
R1
M12 M11
M10
M9
M8
M7
M6
M5
M4
M3
M2
M1 C3(0) C2(1) C1(0)
NOISE
MODE
CURRENT
SETTING
5-BIT R COUNTER
CONTROL
BITS
12-BIT MODULUS WORD (DB)
DB31 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
0
0
0
0
0
00
0
0
0
0
0
0
00
0
0
U12
0
00
0
0
0
U7
U6
U5
U4
U3 C3(0) C2(1) C1(1)
CONTROL
BITS
RESERVED
RESERVED
DB31 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
0
0
0
0
0
0
0
0
0
0
0
M2
M1
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
0
0
0
0
C3(1) C2(0) C1(0)
CONTROL
BITS
RESERVED
RESERVED
CLK
DIV
MODE
12-BIT CLOCK DIVIDER VALUE
DBB1
DBB1
DBB1
DBB1
1DBB = DOUBLE BUFFERED BIT.
Figure 16. Register Summary



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