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Altera_Forum
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16 years ago

I want to know the max speed of NIOS ii based on cyclone iii EP3C120N780C

I have a DK-DSP-3C120N KIT,the NIOS II clock can not exceed 100mhz.The highest speed of NIOS II /f is now just 100mhz.The C program always dead when the clock exceed 100mhz.I want to working at least...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hi,BadOmen:

When I add the Full Rate DDR2 SDRAM High-Performance Controller with ECC option,the Total Memory Interface DQ width must be set to 72bit,and the local interface width become 128bit.I don't know how to deal with the 32bit NIOS ii cpu.Than you.