ZL10036
Pin
Symbol
Direction
Function
Data Sheet
Schematics
DIGDEC
14
XTAL
In
Reference oscillator crystal inputs.
Selected crystal frequency must be
programmed in BR4 to BR0 for correct
baseband filter bandwidth operation.
XTAL pin is used for external reference
input via 10 nF capacitor.
400
Ω
100
Ω
XTAL
XTALCAP
15
XTALCAP
Out
0.2mA
DIGDEC
16
ADD
In
Variable I²C address selection allowing
the use of more than one device per I²C
bus system by the voltage on this pin.
See Table 3 for programming details.
ADD
Input
60k
20k
VccDIG
17
DIGDEC
Out
Decouple pin for internal digital 3.3 V
regulator
DIGDEC
18
19
VccDIG
VccTune
+5 V voltage supply for digital logic
Varactor tuning +5 V supply
CPDEC
VccTUNE
PUMP
20
DRIVE
IO
Loop amplifier output and input pins
3K
DRIVE
21
PUMP
IO
22
N/C
Not connected. Ground externally.
Vvar
1k
23
Vvar
In
LO tuning voltage input
Vbias
9
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
