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Altera_Forum
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11 years ago

GXB Receiver issue

Hi, recently, I have an issue using Altera's GXB receivers. In my design, there are two GXB Receivers, named R0 and R1. Sometimes, the input of R1 is floating (means no GXB transmitter is connected t...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

My general understanding is floating of Altera GXB receiver is not recommended. You could refer to the pin connection guideline of the specific device that you are using. If the receiver might have data connected at later time, you could try to hold the channel in reset mode. Alternatively, you could make use of the signal detect status signal to tell whenever valid data present.