2.0

2.4.1

VCO Characteristics

2.4.2

Phase Comparator and Internal Charge Pump Characteristics

(AUX_PD_POL/MAIN_PD_POL = 1)

2.5

F

FoLD

Fo/LD OUTPUT STATE

32

1

0

AUX_R[17]

AUX_R[16]

AUX_R[15]

AUX_R[14]

0

0

0

0

“0”

0

0

0

1

“1”

0

0

1

X

Main Lock Detect

0

1

0

x

Aux Lock Detect

0

1

1

X

Main “and” Aux Lock Detect

1

0

0

X

Main Reference Counter Output

1

0

1

X

Aux Reference Counter Output

1

1

0

X

Main Programmable Counter Output

1

1

1

X

Aux Programmable Counter Output

Note 16: See section 2.5.3 for AUX_R[14] description.

DS100129-14

DS100129-15

Note 15: fr is phase detector input from reference counter. fp is phase detector input from programmable N counter.

Phase difference detection range: - 2

π to+2pπ.

The minimum width pump up and pump down current pulses occur at the CPo pin when the loop is locked.

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