Datasheet HT12A, HT12E (Holtek) - 8

HT12A/HT12E Flowchart
· HT12A · HT12E P o w e r o n P o w e r o n S t a n d b y m o d e S t a n d b y m o d e N o D a t a e n a b l e ? N o T r a n s m i s s i o n e n a b l e d ? Y e s Y e s D a t a w i t h c a r r i e r 4 d a t a w o r d s s e r i a l o u t p u t t r a n s m i t t e d D a t a s t i l e n a b l e d ? Y e s N o T r a n s m i s s i o n s t i l e n a b l e d N o Y e s Y e s 4 d a t a w o r d s L / M B = G N D ? t r a n s m i t t e d c o n t i n u o u s l y N o S e n d t h e S e n d ² 1 ² 7 t i m e s f o r l a s t c o d e a l o f t h e d a t a c o d e s Note: D8~D11 are transmission enables of the HT12A. TE is the transmission enable of the HT12E. Rev. 1.20 8 February 20, 2009 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings Electrical Characteristics Functional Description Application Circuits Package Information Product Tape and Reel Specifications