HT6230

HT6230 Infrared Remote Encoder Features · · · · · Operating voltage: 2.4V~5.2V 32 system codes, each system with 64 command codes Programmable transmission codes Biphase transmission method Generated modulation output data · · · · (1/2 system frequency and 1/4 duty cycle) Single pin oscillator 429kHz resonator system clock Test pins available 28-pin SOP package Applications · · Televisions and video cassette recorder controllers Garage door controllers · · · Car door controllers Security systems Other remote control systems General Description The HT6230 is designed as infrared remote encoder, usually applied to TV systems. A total of 2048 different commands can be generated and arranged into 32 systems where each system contains 64 different commands. There are 96 keys and to each key is assigned one programmable code. The code is programmable by mask option. Legal and illegal key operation can be distinguished. Block Diagram R C O S C 3 ´ 2 1 2 1 3 O S C D iv id e r P a r a lle l T o S e r ia l C o n v e rte r T T 1 T T 2 T e s t M o d e R e s e t A c tio n G e n e ra to r O u tp u t S ta g e C O D E M S M o d e S e le c tio n C o n tro l U n it Z -k e y P A L M o d u la tio n O u tp u t S ta g e M C O D E Z IN 3 Z IN 0 X IN 7 Z -k e y E n c o d e r D R S 7 C o m m a n d A n d S y s te m C o d e L a tc h Z -D R S P A L X -D R S P A L K e y S c a n D r iv e r D e c o d e r D R S 0 X -k e y E n c o d e r X IN 0 X -k e y P A L V S S V D D 1 April...