AK1544 Datasheet, PDF (24/37 Pages) Asahi Kasei Microsystems – 1300MHz Integer-N Frequency Synthesizer

[AK1544]
CPPOLA: Selects positive or negative output polarity for CP1 and CP2.
D14
0 Positive
1 Negative
Function
Remarks
High
Positive
Low
Low
Negative
Charge pump output voltage ^High
Fig. 11 Charge Pump Output Polarity
LD: Selects analog or digital for Lock Detect.
D13
Function
Remarks
0 Digital lock detect mode
1 Analog lock detect mode
For detailed functional descriptions, see the section “Lock Detect (LD) Signal” in “8. Block
Functional Description”.
MS1350-E-01
24
2013/03