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Altera_Forum
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10 years ago

Quartus 9.1 doesn't fit SCFIFO into M9K blocks, it prefers LEs. Why?!

Hi All, I've used the project Nios II UDP Offload Example (http://www.alterawiki.com/wiki/nios_ii_udp_offload_example) on a Cyclone III dev kit, using Quartus 9.1. It seems to work well. ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Hi Tricky,

adding synthesis attributes, as you suggest, works perfectly. I modified the code (altera_avalon_sc_fifo.v) from this 

 reg  mem ;

to this 

 (* ramstyle = "M9K" *) reg  mem ;

Thanks again for your help!

Best regards.