hi all
i am very much new to embedded systems ok so i really need help..i am using an keil board mcb 2140 with arm7 lpc2148. i am trying to interface a lcd and a keypad..i hav emade all the hardware connection required and in the display it shows the square matrix as well, now wen i send some data or any command to the lcd it has no effect..coud u please tel me wat would be the problem
When you can't find the datasheet of an LCD, the next step is to figure out the controller, and look for the datasheet for the controller - or possibly the datasheet for anyother LCD using the same controller.
The availability of a datasheet is one of the primary requirements when selecting what hardware to use.