2

WL800

PIN

REFERENCE

TYPE

DESCRIPTION

1

VCC1

VCC

Power for serial data bus

2

CS-DATA

IN

Channel Data in (Synth Programming)

3

CS-CLK

IN

Data Clock (Synth Programming)

4

CS-LOADB

IN

Data Enable (Synth Programming)

5

STDBYB

IN

Power down control Active = Logic 1 Standby = logic 0

6

VEE1

GND

Ground connection

7

ISET

Set modulation current

8

ICP

Set charge pump current

9

VEE3

GND

Ground connection

10

TXD

IN

Modulation data in

11

COM CAP

Compensation capacitor for modulation data

12

RCOMP

OUT

Resistor for V/I converter

13

IDOUT

OUT

Modulation data out

14

TXRXB

IN

Transmit/Receive control Transmit = Logic 1 Receive = Logic 0

15

VARICAP

OUT

Control V to varicap in VCO

16

VCC3

VCC

Power for charge pump and loop amplifier and modulator

17

LOOPFILTER

OUT

Loop filter out (Loop Filter Components)

18

CPUMPREF

Charge pump reference voltage

19

CPUMPOUT

OUT

Charge pump out (Loop Filter Components)

20

VEE2

GND

Ground connection

21

SYSCLK

OUT

Reference (system) clock out

22

XTAL

Crystal connection (Differential)

23

XTALB

Crystal connection (Differential)

24

VCC2

VCC

Power for reference oscillator

25

FREF

OUT

Reference frequency monitor

26

LKCAP

Lock detect capacitor

27

LCKDETB

OUT

Lock detect output

28

FV

OUT

VCO frequency / (NM+A) monitor

29

VEE5

GND

Ground connection

30

VCC

VCC

Power for prescaler, AM counter Ref divider, phase detector and

lock detector

31

VCOIPB

IN

Prescaler IN-

32

VCOIP

IN

Prescaler IN+

DEVICE PIN OUT