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MGL570

PCD5003A

DECODER

M

ATL ATH

VIB

LED

CCP CCN

100 nF

Cs

BATTERY

POSITIVE

4.7

k

Ω

4.7

k

Ω

(1)

(1)

(2)

(2)

V

function

keys

RST

DON

INT

REF

ALC

SDA

SCL

V

MICROCONTROLLER

LCD

LCD

DRIVER

V

V

LCD

DRIVER

V

V

RECEIVER

V

V

DATA

OUT

BAT

REF

PWR

CTRL

ANT

OSC

FREQUENCY

SYNTHESIZER

V

V

PWR

CTRL

DATA

CLK

VCO

LATCH

10 pF

ZSC

ZLE

ROE

ZSD

RXE

RDI

BAT

2.2 M

Ω

76.8 kHz

XTAL1

XTAL2

BATTERY

NEGATIVE

TS1

TS2

n.c.

DQC

n.c.

n.c.

10

µF

VDD

VSS

VPR

VPO

(1) Value depends on number of devices attached

.

(2) Values should be chosen to give a time constant of at least 150

µs. C = 2.2 nF and R = 100 kΩ are recommended.

Fig.16 Typical application example (display pager).