hiiiiiiiii,
i am interfacing LCD to my ARM microcontroller (PHILIPS LPC2138).i am able to program the LCD ,but it is uncertain.
the problem is that when i reset my microcontroller or my development board the LCD is programmed and it displays the messages sent to it but when i reset it again it goes blank and after another reset it works fine again.
so LCD gets programmed alternately. also i am using a 16x2 LCD .
please suggest some solution to this .i have initialised the lcd by sending 0x28 , 0x0f,0x01,0x80,0x06 with 20ms duration for each and i am working with LCD in 4 bit mode .
please suggest whether the problem is with microcontroller or with LCD ..however i have tried with three LCD's for same logic.