I've just finished a library to use the External Memory Interface module on the Mega1280/2560. You can use it to access external memory via parallel address/data bus. The address bus width is from 8-bits upto 16-bits and the data bus width is 8-bits. You'll need a 74AHC573 transparent latch to multi…

External Memory Interface library for the Mega. (can someone review my code?)

trlrtrsh2 January 1, 2013, 1:37am 4

@slomobile
I looked at the data sheet for the AT90USB1286 and the register names are the same so it should work.

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