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Altera_Forum
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16 years ago

Quartus Assembler error(internal error)

Hello,all I recently synthesis DDR2 controller(my own design) with ALT_DQDQS(quartus generate DQDQS PHY with DDR2_SDRAM). Quartus encounter a Internal error when assembler process. This error...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

PS : I have get into the datapath and look at the write and read registers before they are latched to/from the I/O.

I don't why my controller internal registers can't be probed by SignalTapII??

Is there some another configuration to ALT_DQDQS megafunction,I already read the ALT_DQDQS specification in detail ,but I don't find any information can help me??