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External RAM and Flash suggestions

Question asked by shane91773 on Mar 28, 2013
Latest reply on Jul 2, 2013 by PauliusGl



We are using ADuc7126 for a project that now requires external RAM and flash due to new requirements.  Currently, most of the address lines are currently being used for I/Os as well as AE, /RS, and /WS.  What's the best way to work around this?  Is there any other options besides reroute the I/O lines to an external SPI to GPIO expander?  Or keep things the same and use I2C or SPI memory interfacing?  I appreciate any suggestions!