TT6222-1 Datasheet | TT Electronics

Description TT6221-1 and TT6222-1 are high performance remote control transmitter S IC¡A it is specially designed for use on infrared remote control applications¡C The custom codes (Max.) of TT6221-1 and TT6222-1 are available by setting external diodes and resistors¡C The transmission code consists of “ leader pulse “¡B ” 16 bits custom code “ and ” 16 bits data code “¡C Feature Description X X X X X X X High performance CMOS technology Low power consumption ( VDD = 2.0 ¡ã 3.3 V ) TT6221-1 : 32 function keys and 3 double action keys and 64 + 6 function codes are available ( Using D7 pin ) TT6222-1 : 64 function keys and 3 double action keys and 128 + 6 function codes are available ( Using D7 pin ) PPM ( Pulse Position Modulation ) code method Ceramic resonator frequence 455 KHz DOUT with a 38 KHz carrier for IR medium Custom codes can be selected ( Using external diodes and resistors ) Block Diagram X1 X2 DOUT LED Oscillator Divider Data select & Buffer R1 R8 Keyboard...