arria 10 use transciever phy ip - arria 10 use transciever phy ip hi,everyone,i have a issue about transciever phy ip,as follows: the phy ip is 2 recieve channel，but the rx_is_lockedtoref signal of ch1 is unstable, ch0 is ok. At the same time,i have a phy ip is 1 recieve channel to test the ch0 and ch1, all off them is ok，What is the problem？ Replies: Re: arria 10 use transciever phy ip ok，thank you for your reply。 Replies: Re: arria 10 use transciever phy ip Hi smile123, When CDR is in locked to data mode, the status of rx_is_lockedtoref is unknown; it can be high or low or toggling. You do not need to care about rx_is_lockedtoref when rx_is_lockedtodata is high. Regards, zying Replies: Re: arria 10 use transciever phy ip Hi,it is sorry to reply to you now,my .qar project file is below. Replies: Re: arria 10 use transciever phy ip Hi,this is the .qar file. Replies: Re: arria 10 use transciever phy ip Hi smile123, Can you share your .qar file here? So that I can try debug the issue from my side. Best regards, zying Replies: Re: arria 10 use transciever phy ip Hi, Thanks for submitting the issue. Allow me have some time to look into the issue and I will get back to you with findings. Best regards, zying Replies: Re: arria 10 use transciever phy ip Hi, you agree that you are not giving much info about your design? As a starter question, does your design meet timing? Do you see any warnings, e.g. related to PLL usage?