HT6240-002

HT6240-002 Infrared Remote Encoder Features · · · Operating voltage: 2.2V~3.6V Low power consumption Few external parts · 20-pin DIP/SOP package 24-pin SOP package Applications · · Television and video cassette recorder controllers Garage door controllers · · · Car door controllers Security systems Other remote control systems General Description HT6240-002 is designed as infrared remote encoders, usually applied to TV systems. The 4´8 key matrix input and the extension bit input can transmit a max. of 256 instructions. HT6240-002 have three different packages: 20-pin DIP, 20-pin SOP and 24-pin SOP. Block Diagram P R B O S C I O S C O 8 O S C 3 ´ 2 2 D u ty 1 /3 1 0 ´ 2 D iv id e r K e y S c a n D r iv e r D e c o d e r O u tp u t S ta g e O F 0 O F 7 C T T E S T T E S T M O D E IE 0 IE 1 IE 2 IE 3 IE -K E Y E n c o d e r C o n tro l U n it D A T A 8 - B it S h ift R e g is te r C u s to m C o d e & D A T A C o d e L a tc h P a r a lle l to S e r ia l C o n v e rte r V D D V S S 1 December 16, 1999 HT6240-002 Pin Assignment V S S T E S T V S S T E S T P R B O S C I O S C O D A T A IE 0 IE 1 IE 2 IE 3 9 1 0 8 7 6 5 4 3 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 1 2 1 1 V D D C T O F 0 O F 1 O F 2 O F 3 O F 4 O F 5 O F 6 O F 7 P R B O S C I O S C O D A T A IE 0 IE 1 IE 2 IE 3 N C N C 9 1 0 1 1 1 2 8 7 6 5 4 3 2 1 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 4 1 3 V D D C T O F 0 O F 1 O F 2 O F 3 O F 4 O F 5 O F 6 O F 7 N C N C H T 6 2 4 0 -0 0 2 2 0 D IP /S ...