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Thanks for quick reply, now it's easier to understand but i still didn't understand one thing.What actual processor chip pin numbers do you use for serial io port #1?
Idk if this thread is still alive, but i need a help.According to the last figure where it's show how DEI pins are connected to Arduino mega pins, you connected 34, 33 DEI's pins to 11 and 10 pins of Arduino while they're not digital IOs and you can't control them in order to send data. So, is it right and i'm horribly confused?Secondly, you created a simple protocol over the serial io port #1 (pins 1 and 2) while at the same time you use pin 2 for /OE2 input(DEI's pin 10). Is something wrong with it?Best Wishes,Valikhan))