PT2221 Просмотр технического описания (PDF) - Princeton Technology

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PT2221

Infrared Remote Control Transmitter

Princeton Technology 

Princeton Technology Corp.

Tel: 886-2-29162151

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

Infrared Remote Control Transmitter

PT2221/2

PT2222 APPLICATION CIRCUIT

3V

200 pf 200 pf

455 KHz

+

470

10 F

16 V

LED

KI0 OSCI OSCO

VDD LMP REM

KI1

KI2

KI3

KI4

KI5

PT2222

KI6

KI7

1

IR

LED

SEL

Vss

CCS

KI/O0 KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 KI/O6 KI/O7

For Custom Code

Selection

100K

IN4148

Note: The Vcc and Vss Terminals must be “SHORT” before the batteries are loaded to the

transmitter handset to insure that PT2222 Power On Reset Function will operate properly.

PT2221/2 v 3.4

Page 4

Revised Oct. 2000

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