App note: Using the XMEGA external bus interface

ATApp

Here’s an application note from Atmel describing how to use the external bus interface fount on the XMEGA series AVR microcontrollers.

The XMEGA External Bus Interface (EBI) is a highly flexible module for interfacing external memories and memory addressable peripherals such as LCD controllers and advanced communication controllers. The EBI module has four separate Chip Select blocks with individual address ranges and wait state control. Additional Chip Select lines can be decoded externally.

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