lpcware

Read PHY registers, got all "0xffff"

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by twicave on Mon Jun 15 22:36:23 MST 2015
I still work on Ethernet module.
the PHY chip what I used is KSZ8041NL.

when I read PHY's register, even PHYID0, PHYID1 register.
what I got is all "0xffff", why?

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