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Olimex LPC-E2294 development board has a Cirrus Logic CS8900A ethernet
controller had been wired to MPU in 8-bit mode. This mode does have a
few limitations:

        Interrupts are not supported. Polled mode must be used;

        The DMA engine only uses 16 bit memory access and does not
        support 8 bit transfers;

        The packet page pointer has an auto increment feature that
        cannot be used in 8-bit mode;

        EEPROM is not supported.