Help needed in LCD interfacing ....

[sirfrajput]

I am new to AVR Programming and i have made my scope of study on 8051
family. i have made a project on UART , my MCU is connected to the PC
via MAX232 but my probelem is that i have only free ports from P1.0 to
P1.7 and two of P3 pins and i want to use the LCD for output so cud any
one please help me little for LCD interfacing to my available pins and
program for it in KEIL.

 

[martin.shoebridge]

Most alphanumeric x line x y row LCD's can be driven with 4 data pins + 3
control. There are also ready made modules that can be talked to via rs232.

 

[[email protected]]

I am new to AVR Programming and i have made my scope of study on 8051
family. i have made a project on UART , my MCU is connected to the PC
via MAX232 but my probelem is that i have only free ports from P1.0 to
P1.7 and two of P3 pins and i want to use the LCD for output so cud any
one please help me little for LCD interfacing to my available pins and
program for it in KEIL.

Check here for parallel LCD using 4bit & 3 control (check out the
manuals at the bottom of the page):
http://www.parallax.com/detail.asp?product_id=603-00006

or try a serial LCD, only needs one IO:
http://www.parallax.com/detail.asp?product_id=27976
many others here;
http://www.parallax.com/detail.asp?product_id=27976
and here:
http://store.earthlcd.com/LCD-Products/ezLCD