thats great i'm also so working with DMX512 decoder using AT89S52 it is also desame with at89c51/52. but until now i cannot get it work, im not getting signals from dmx, i think my timing is wrong.. can you help me, or give me some idea to make it work?

plz email me here warlocktm010@hotmail.com
thanks men,
want to share ideas with you