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That's exactly why I have a problem... because the chip selects doesn't seem to behave as you discribed. I've made some more tests and I'm more and more confused: Test1: Inputs sim2.cs[1].csar = 0xC2000000; sim2.cs[1].cscr = 0x00002110; sim2.cs[1].csmr = 0x00000001; So address range: 0xC2000000 to 0...

Well, i've tried every wait time settings possible. Whatever wait time setting I use, I have the same result... all chip select are asserted at the same time every time I read from or write to any address that is available for chips selects.

Thank you for your quick answer. From the document you refered me to I can see that 0x02000000 to 0x3FFFFFFF is available for application so I guess it should work. I just tried changing the base address to 0xC2000000 though... but I still have the same problem...

Hi all, I hooked up some 573 and 574 to add some GPIO to the system. In all I need something like 32 Inputs and 32 Outputs and another 32 mixed GPIO. Since this monster is 32 bits and has 3 chip selects that I can use, I figured I could do it. So I started with the inputs everything went well and is...