interfacing PIR sensor with AT89c51 microcontrller

[selvamanikandan]

can any body help me to interface the PIR sensor with at89c51 microcontroller i write the code below but it doesnot work
org 0000h
mov p0,00h;
mov p1,00h;
mov p2,00h;
mov p3,00h;
t1:
jnb p2.0,h1;
setb p2.1;
h1:
clr p2.1;
sjmp t1;

 

[papunblg]

Seel this post How to interface PIR modules with PIC microcontrollers https://www.edaboard.com/blog/1436/

Though written for PIC controller, it will give some idea

 

[rajudp]

give a delay between set and clear port2.1