prob with lcd display

i've written following code for 44780 standard lcd display using AT89s52........but its not working..... noting is displayed on the lcd...could anyone suggest what could be the mistake $mod51 ...
prob with lcd display

i've written following code for 44780 standard lcd display using AT89s52........but its not working..... noting is displayed on the lcd...could anyone suggest what could be the mistake $mod51 ...
PROB with External memory interface

hi all, i am facing problem to access external memory of a controller. i am using cygnal chip and i want to access the memory of other controller using EMIF ... my problem is that i am not getting the...
PROB with External memory interface

hi all, i am facing problem to access external memory of a controller. i am using cygnal chip and i want to access the memory of other controller using EMIF ... my problem is that i am not getting the...
prob. in interfacing ds1230 with 8051

hello sir, i m trying to interface ds1230 SRAM with 8051. bur i m not able to take out put.....pls help me..how to start with thi device to get out put...