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Need help in interfacing......

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superpratyk

New Member
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.....
 

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