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Hello
Can we assert the chipselect signal, which is assigned by the Avalon Address Decoding, in 'C' by ourselves? Can we change Avalon signals behavior in Nios II by coding? Thanks,Link Copied
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No, you have no control over that from software.
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It's performed in the hardware. When a master performs a read or write to a valid address in the slave memory space the chipselect will be asserted.
Chipselect is also an optional signal since you can just OR the read and write signals coming into the slave port to get the exact same functionality.
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