Adding extra ram to the Microcontroller

[Madane]

Hi EDAboard forum users i am new to this forum i was very happy to join in this group ! I have seen all the earlier LED display driver , i request any one to help me to give a brief explaination and curcuit diagram for adding extra ram or memorie to the led display driver to any of the LED microcontroller family instead of the parallel port control from the computer. "In fact a parallel eprom to upload the informations to the memorie".Thanking you in advance for the same

Madane

 

[silvio]

Hi Madane,

Please be more concise and add links to the "earlier LED display driver" you've seen.
What kind of "any of the LED microcntroller family" and what circuits "of the parallel port control from the computer"

Doing so you'll be much quickly helped.