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.
Help needed in LCD interfacing ....
Oct 21, 2006
2 Replies
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.
Check here for parallel LCD using 4bit & 3 control (check out the manuals at the bottom of the page):
formatting link
or try a serial LCD, only needs one IO:
formatting link
many others here;
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and here:
formatting link
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