Scott Souders

EPORT and GPIO

Discussion created by Scott Souders on Nov 16, 2006
Latest reply on Nov 16, 2006 by Scott Souders
Has anyone had any trouble using EPORT as GPIO? I'm using an MCF5213 and trying to use the EPORT to function as an interrupt driven SPI Slave device. I have IRQ1 setup as the SS pin, IRQ2 as the SPI Clk interrupt triggered on Rising Edge, IRQ3 as an GPIO input MOSI, and IRQ4 as an output MISO. I can interrupt on the Chip Select and all 8 Clocks for each byte however when I read the EPDR and write to EPPDR to read the data in and write the data out I never see changes on the Pin states.

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