Under what condition(s) is PHYCFGR-LNK set to 'Link Up'?
Ethernet Chips
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Ethernet Chips
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RE: Under what condition(s) is PHYCFGR-LNK set to 'Link Up'?
by Eugeny ·
What exactly have you made thinking this way? In my opinion it must get set when carrier signal is detected.
RE: RE: Under what condition(s) is PHYCFGR-LNK set to 'Link Up'?
by Mxyxixptlick ·
I was going to answer a question about a W5x00 Ethernet library that was posted at Ethernet cable is not connected · Issue #111 · arduino-libraries/Ethernet · GitHub but realized I didn’t have a definitive answer.
Your answer makes sense, but I’m hoping someone from Wiznet can confirm that’s how it works.
RE: Under what condition(s) is PHYCFGR-LNK set to 'Link Up'?
by irina WIZnet ·
Hi~
LNK bit of PHYCFGR operates same the link pin of W5500.
It is driven low whenever the PHY detects a valid link. We don’t know about valid link or any carrier signal because it operates internal to the PHY.