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viktormyhome's avatar
viktormyhome
Icon for New Contributor rankNew Contributor
6 months ago

Error (169008): Can't turn on open-drain option for differential I/O pin HPS_DDR3_DQS_N[1]

Hello.
Please, suggest how to resolve this error. Quartus 25.1, Cyclone V,  Start Fitter.

inout [3:0] HPS_DDR3_DQS_N,
inout [3:0] HPS_DDR3_DQS_P,

.memory_mem_dqs (HPS_DDR3_DQS_P), // .mem_dqs
.memory_mem_dqs_n (HPS_DDR3_DQS_N), // .mem_dqs_n

 

Platform

2 Replies

  • tehjingy_Altera's avatar
    tehjingy_Altera
    Icon for Regular Contributor rankRegular Contributor
    6 months ago

    Hi viktormyhome 

     

    Have you resolved your issue?

    Perhaps this KDB will help you with your debugging.

    https://community.altera.com/kb/knowledge-base/error-169008-cant-turn-on-open-drain-option-for-differential-io-pin/338170