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Altera_Forum
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15 years ago

DDR PIN placement error

Hi all, I use a Cyclone IV E EP4CE40F23C8 with Quartus 11.0 I have this error message when i try to place ddr pins --- Quote Start --- Error: altmemphy pin placement was...
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Altera_Forum
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14 years ago

Yes but even when i choose only placement for "mem_clk" in DIFFIO_p T8 and

"mem_clk_n" in DIFFIO_n T9 (quartus default placement for DQ, DQS, DM...)

i have the same result

when i chek pin planner:

mem_clk : Y6

mem_clk_n : T10