PT2221/PT2222 PT2221 PT2222 PD6121 PD6122 PT2221/2 PT2225 PD6121/ IN4148

Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 DESCRIPTION The PT2221 and

Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 PT2221/PT2222 DESCRIPTION The PT2221 PT2221 and PT2222 PT2222 are remote control transmitters utilizing CMOS Technology specially designed for use on infrared remote control applications. They are pin-to-pin compatible with NEC µPD6121 PD6121 and µPD6122 PD6122 respectively. PT2221 PT2221 is packaged in 20 pins SO and capable of controlling 32 functions and 3 double keys. PT2222 PT2222, on the other hand, is housed in 24 pins SO and capable of controlling 64 function keys and 3 double keys. PT2221/2 PT2221/2 may be paired with PT2225 PT2225 to construct a powerful remote control system. FEATURES · · · · · · · CMOS Technology Low Power Consumption (VDD=2.0 to 5.5V) Pin-to-Pin Compatible with µPD6121/ PD6121/µPD6122 PD6122 Using SEL pin, PT2221 PT2221 can support 64+6 function codes Using SEL pin, PT2222 PT2222 can support 128 + 6 function codes Customer Code can be selected (please contact PTC for details) Available in COB Package APPLICATIONS · · · · · · · · · Audio Equipment Television (TV) Cable TV Tuner Video Cassette Recorder (VCR) Cassette Deck Air Conditioner Video Compact Disk (VCD) DVD ROM/Player Moniputer / Multi-Media Personal Computer System PT2221/PT2222 PT2221/PT2222 v3.5 -1- February, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 PT2221/PT2222 PIN CONFIGURATION PT2221/PT2222 PT2221/PT2222 v3.5 -2- February, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 PT2221/PT2222 PT2221 PT2221 APPLICATION CIRCUIT 1 3V 470 10 F + 16 V 200 pf 200 pf IR LED LED 455 KHz OSCI OSCO VDD LMP REM SEL KI0 PT2221 PT2221 KI1 KI2 KI3 KI/O0 KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 Vss CCS KI/O6 KI/O7 For Custom Code Selection IN4148 IN4148 100K Note: The Vcc and Vss Terminals must be "SHORT" before the batteries are loaded to the transmitter handset to insure that PT2221 PT2221 Power On Reset Function will operate properly. PT2221/PT2222 PT2221/PT2222 v3.5 -3- February, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 PT2221/PT2222 PT2222 PT2222 APPLICATION CIRCUIT 3V 1 + 10 F 16 V 200 pf 200 pf IR LED 470 LED 455 KHz KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7 OSCI KI/O0 For Custom Code Selection OSCO VDD LMP REM SEL PT2222 PT2222 Vss CCS KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 KI/O6 KI/O7 100K IN4148 IN4148 Note: The Vcc and Vss Terminals must be "SHORT" before the batteries are loaded to the transmitter handset to insure that PT2222 PT2222 Power On Reset Function will operate properly. PT2221/PT2222 PT2221/PT2222 v3.5 -4- February, 2004 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Infrared Remote Control Transmitter PT2221/PT2222 PT2221/PT2222 ORDER INFORMATION Valid Part Number PT2221-001-D PT2221-001-D Top Code PT2221-001-D PT2221-001-D PT2221-001 PT2221-001 PT2221-002 PT2221-002 20-Pin, SO, 300mil 20-Pin, SO, 300mil PT2221-001 PT2221-001 PT2221-002 PT2221-002 PT2222-001 PT2222-001 24-Pin, SO, 300mil PT2222-001 PT2222-001 PT2222-002 PT2222-002 24-Pin, SO, 300mil PT2222-002 PT2222-002 PT2222-001 PT2222-001 PT2221/PT2222 PT2221/PT2222 v3.5 Package 20-Pin, DIP, 300mil COB - -5- February, 2004