Preliminary Technical Data

ADF41513

Rev. PrL | Page 21 of 33

REGISTER 4 (R4) MAP

MOD2

Register 4, Bits[27:4] set the MOD2 value. See the N Divider

and R Counter section for more information. When using a

fixed modulus, MOD2 is ignored.

MOD2 REGISTER (R4)

NOTES

1. DBB = DOUBLE-BUFFERED BITS.

DBB

CONTROL

BITS

24-BIT MOD2 VALUE (MOD2)

0

0

0

M1

M2

M3

M4

M5

M6

M8

M7

M9

M10

M11

M12

M13

M14

M15

M16

M17

M18

M19

M20

M21

M22

M23

M24

0

M24

M23

...

M2

M1

MOD2 WORD

0

0

...

0

0

0

0

0

...

0

1

1

0

0

...

1

0

2

0

0

...

1

1

3

.

.

...

.

.

.

.

.

...

.

.

.

.

.

...

.

.

.

1

1

...

0

0

16,777,212

1

1

...

0

1

16,777,213

1

1

...

1

0

16,777,214

1

1

...

1

1

16,777,215

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

C3(0)

C4(0)

C2(0) C1(1)

Figure 25. Register 4 (R4) Map