Based on the S7G2 Microcontroller Group User's Manual on Page 453, it seems like any gpio pin can be used as an external interrupt by setting the ISEL bit in the register for the gpio pin that you want to use. However, using the configuration window in e2 studio, it seems like only specific pins can be used for the interrupts.
When I go to the configuration window, in the Pins tab and click on Peripherals, I see an option labeled 'Input:IRQ'. When I click on this option, it lets me enable IRQ0 and configure the pins that I want to use for IRQ0 - IRQ15, but there are only specific gpio pins that I can select, is there a way for me to select a different gpio through the IDE that is not an option given in the drop down menu for that specific IRQ?
I've attached a figure of what I'm seeing in the configuration window.
Thanks very much,
Caroline