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Altera_Forum
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14 years ago

NIOS2 to 8 bit MM slave block data transfer -- Help

Hi, I Have a 8bit addressed , 8bit width FIR IP module which i want to interface with NIOS2. My Module is interfaced with 1. MM Slave Interface 2. Interrupt Sender 3. Clk input. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I think your offset is wrong. 0x1F0 is "1 1111 0000" in binary which doesn't fit in your 8 bits of 1-byte addresses. I think you want to do this instead if I understand your addressing scheme:

IOWR_8DIRECT(FIR_INTERRUPT_0_BASE, 0x7C, 0x03);