Help with my project

Hi,
I am building a Video Matrix Switcher using a microcontroller at89s8252.
I need help in interfacing some components.Can neone help me with it.I am using a MAX4456 crosspoint switch, a single line 16X1 character LCD display, a Matrix Keypad 4*4 and 4 IR recievers. Can you help me to decide what ports to use for what component?

Pratik

p.s: i have attached the block diagram of my project.....

I cannot figure out why u are using IR decoder?

Ali Sajjad said:

I cannot figure out why u are using IR decoder?

Click to expand...

I think the idea is to place the monitors in several locations. Using a wireless remote, a user in front of a monitor can select what camera they want to view without having to go back to the switching box (which might be in a wiring closet or something).