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| Princeton Technology Corp. Infrared Remote Control Transmitter DESCRIPTION Tel : 886-2-29162151 Fax : 886-2-29174598 URL: http://www.princeton.com.tw PT2213 PT2213 is a remote control transmitter utilizing CMOS Technology specially designed for infrared remote control applications. PT2213 can support up to 64 function keys and provides 2 different kinds of system codes. Pin assignments and application circuit are optimized for easy PCB Layout and low cost advantage. FEATURES ! ! ! ! ! ! ! ! ! ! CMOS Technology Low Power Consumption Least External Components Low Voltage Operation Double Key Operation is provided when SEL2 is connected to VDD. Up to 64 Function Keys provided 2 Kinds of System Codes High Efficiency Transmission Transmission Indication Output Pin provided Available in 24 Pins, SO or DIP Package APPLICATIONS ! ! ! ! ! ! Television VCR Video Disc CD Player AV Controller Audio Equipment PT2213 v1.2 Page 1 Written August 1999 Princeton Technology Corp. Infrared Remote Control Transmitter PIN CONFIGURATION K I2 K I3 K I4 K I5 K I6 K I7 REM VDD S E L2 OSCO OSCI VSS 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 Tel : 886-2-29162151 Fax : 886-2-29174598 URL: http://www.princeton.com.tw PT2213 K I1 K I0 S E L1 KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO7 LM P PT2213 Figure 1: Remote Output Waveform PT2213 v1.2 Page 2 Written August 1999 Princeton Technology Corp. Infrared Remote Control Transmitter APPLICATION CIRCUITS SEL2 =HIGH (SEL2 connected to VDD) K ey M atrix 36 40 44 48 52 56 60 64 Tel : 886-2-29162151 Fax : 886-2-29174598 URL: http://www.princeton.com.tw PT2213 35 39 43 47 51 55 59 63 V DD 34 38 42 46 50 54 58 62 33 37 41 45 49 53 57 61 32 31 30 29 1K O hm s 4 3 2 1 8 12 11 10 9 16 15 14 20 19 18 24 23 22 21 28 27 26 25 7 6 W ire d (one place for inpu t lin e) Transm ission Indicator LED 5 13 17 S EL 1 KO0 KO 1 KO2 KO 3 KO4 KO5 KO 6 KO 7 LM P PT2213 K I0 K I 1 K I2 K I 3 K I4 K I5 K I6 K I7 R EM V DD S EL 2 O S C2 O S C1 V SS 455 KHz C C 2 O hm s V DD =3V N ote: K O 0 to KO 7 K I0 to K I 7 IR LED + + 47uF Note: The suggested value of C is 100pF to 200pF. n n= 1 to 64 short PCB Layout Notes: 1. Power Supply must first support the IC's "VDD" before the Supply IR LED "VDD". 2. It is recommended that the 47F Capacitor must be placed between the IC's "Vss" and "VDD". PT2213 v1.2 Page 3 Written August 1999 Princeton Technology Corp. Infrared Remote Control Transmitter SEL2 =HIGH (SEL2 connected to VSS) Tel : 886-2-29162151 Fax : 886-2-29174598 URL: http://www.princeton.com.tw PT2213 Ke y M atrix 36 40 44 48 52 56 60 64 35 39 43 47 51 55 59 63 34 38 42 46 50 54 58 62 33 37 41 45 49 53 57 61 VD D 1K O h m s 4 3 8 12 11 10 9 16 15 14 20 19 18 24 23 22 28 27 32 31 30 29 7 6 2 1 26 25 W ired (one pla ce for in put lin e) Trans m issio n Indic ator LED 5 13 17 21 S EL1 K O 0 K O 1 K O 2 K O 3 K O 4 K O 5 K O 6 K O 7 LM P PT2213 K I 0 K I1 K I 2 K I3 K I4 K I5 K I6 K I7 REM V DD S EL 2 OS C2 OS C1 V SS 455 K H z C C 2 O hm s N ote: KO 0 to K O 7 KI 0 to KI 7 IR LED + V D D = 3V + 47uF n n=1 to 64 Note: The suggested value of C is 100pF to 200pF. K O 0 TO KO 7 S E L1 PCB Layout Notes: 1. Power Supply must first support the IC's "VDD" before the Supply IR LED "VDD". 3. It is recommended that the 47F Capacitor must be placed between the IC's "Vss" and "VDD". PT2213 v1.2 Page 4 Written August 1999 |
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