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Altera_Forum
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10 years ago

Why does an output only 8-bit wide PIO use/needs 16 memory locations (0x2010-0x201F)?

Hi all, I'm new to the Nios/Qsys/Eclipse. I've used Quartus software before but never with Nios. I'm using a Nios Gen2 with a MAX10 (BeMicroMAX10). The free version of Nios. The bas...
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Altera_Forum
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10 years ago

In one case there are 6 x 32bit registers. So that means in powers of two there are 8 x 32bit = 32 bytes.

But if you have don't have the extended registers enabled, then there are 3 x 32bit registers - as powers of two that is 4 x 32bit = 16 bytes.

Address spans are shown in bytes (even if you are using Word Addressing).