salam,
i interface 89c52 serially with my pc,
using max-232.
sended ascii codes to pc and get using hyper terminal software on com2.
but,
i have problem to sending data from com2 to 89c52.i use debug to transfer data from pc to 89c52.
AND
enabled REN too.
wait: jnb ri,wait
clr ri
mov a,sbuf
mov p1,a

but i didn't get any data that i send using debug through com2 to p1 of 89c52

plz help..
10x