EV-ADF4157SD1Z 데이터 시트보기 (PDF) - Analog Devices

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EV-ADF4157SD1Z

High Resolution 6 GHz Fractional-N Frequency Synthesizer

Analog Devices 

Data Sheet

ADF4157

REGISTER MAPS

FRAC/INT REGISTER (R0)

MUXOUT

CONTROL

12-BIT INTEGER VALUE (INT)

12-BIT MSB FRACTIONAL VALUE

(FRAC)

CONTROL

BITS

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 M3 M2 M1 N12 N11 N10 N9 N8 N7 N6 N5 N4 N3 N2 N1 F25 F24 F23 F22 F21 F20 F19 F18 F17 F16 F15 F14 C3(0) C2(0) C1(0)

LSB FRAC REGISTER (R1)

RESERVED

13-BIT LSB FRACTIONAL VALUE

(FRAC) (DBB)

RESERVED

CONTROL

BITS

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 F13 F12 F11 F10 F9 F8 F7 F6 F5 F4 F3 F2 F1 0 0 0 0 0 0 0 0 0 0 0 0 C3(0) C2(0) C1(1)

DBB

CURRENT

SETTING

R DIVIDER REGISTER (R2)

DBB

5-BIT R COUNTER

RESERVED

CONTROL

BITS

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 C1 CPI4 CPI3 CPI2 CPI1 0 P1 U2 U1 R5 R4 R3 R2 R1 0 0 0 0 0 0 0 0 0 0 0 0 C3(0) C2(1) C1(0)

FUNCTION REGISTER (R3)

RESERVED

RESERVED

CONTROL

BITS

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 0 0 0 0 0 0 U12 0 0 0 0 0 0 U11 U10 U9 U8 U7 C3(0) C2(1) C1(1)

TEST REGISTER (R4)

RESERVED

CLK

DIV

MODE

12-BIT CLOCK DIVIDER VALUE

RESERVED

CONTROL

BITS

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 NB2 NB1 0 0 C2 C1 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 0 0 0 0 C3(1) C2(0) C1(0)

NOTES

1. DBB = DOUBLE BUFFERED BIT(S).

Figure 16. Register Summary

Rev. D | Page 11 of 24

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