how to use valid signal with readdata in Avalon Memory Mapped Interface - how to use valid signal with readdata in Avalon Memory Mapped Interface Hi, How can I make sure that the incoming data from memory is the response to memory read request and is also valid? I am using Avalon Memory-Mapped Interface and I want to get a valid signal for each data that I request from memory by a readdata request. Can I use this condition: (response == 0)? Does it arrive at the same clock that data arrives? Note that I am using a fixed-latency read, so I am not able to use readdatavalid signal. Thanks, Mahdi Replies: Re: how to use valid signal with readdata in Avalon Memory Mapped Interface Hi, Since the issue addressed had been resolved. I'll now transition this thread to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Thank you. Best regards, Sheng Replies: Re: how to use valid signal with readdata in Avalon Memory Mapped Interface Yes, a response of 0x0 can be sent along with valid readdata. Check the info "For read responses" in that table.