ADF41513

Data Sheet

Rev. 0 | Page 20 of 30

5-BIT R COUNTER

DL2 DL1

0

CPI4 CPI3 CPI2 CPI1

P1

U2

U1

R5

R4

R3

R2

R1

D12

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

R DIVIDER REGISTER (R5)

DBB

DBB

DBB

DBB

CONTROL

BITS

CP

CURRENT

SETTING

L1

NOTES

1. DBB MEANS DOUBLE-BUFFERED BITS.

U1

REFERENCE

DOUBLER

0

DISABLED

1

ENABLED

R5

R4

R3

R2

R1

R COUNTER DIVIDE RATIO

0

0

0

0

1

1

0

0

0

1

0

2

0

0

0

1

1

3

0

0

1

0

0

4

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

1

1

1

0

1

29

1

1

1

1

0

30

1

1

1

1

1

31

0

0

0

0

0

32

U2

R DIVIDER

0

DISABLED

1

ENABLED

P1

PRESCALER

0

4/5

1

8/9

DL1

DLD PIN

0

0

TRISTATE

1

DL2

1

0

DIGITAL LOCK DETECT

0

1

LOW

1

HIGH

CPI4

CPI3

CPI2

CPI1

2.7kΩ

0

0

0

0

0.3

0

0

0

1

0.6

0

0

1

0

0.9

0

0

1

1

1.2

0

1

0

0

1.5

0

1

0

1

1.8

0

1

1

0

2.1

0

1

1

1

2.4

1

0

0

0

2.7

1

0

0

1

3.0

1

0

1

0

3.3

1

0

1

1

3.6

1

1

0

0

3.9

1

1

0

1

4.2

1

1

1

0

4.5

1

1

1

1

4.8

1.8kΩ

0.45

0.90

1.35

1.80

2.25

2.70

3.15

3.60

4.05

4.50

4.95

5.40

5.85

6.30

6.75

7.20

L1

LSB P1

0

ON: 0.5 LSB OFFSET

1

OFF: NO OFFSET

D12

D11

...

D2

D1

0

0

0

0

.

.

.

1

1

1

1

0

0

0

0

.

.

.

1

1

1

1

...

...

...

...

...

...

...

...

...

...

...

0

0

1

1

.

.

.

0

0

1

1

0

1

0

1

.

.

.

0

1

0

1

0

1

2

3

.

.

.

4,092

4,093

4,094

4,095

CLK1 DIVIDER VALUE

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(1)

C4(0)

C2(0) C1(1)

Figure 28. Register 5 (R5) Map