Read value of control and status registers is 0x00
Ethernet Chips
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Ethernet Chips
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RE: Read value of control and status registers is 0x00
by jameskim ·
You must be sure your MCU can communicate with W5500 via SPI interface.
Please check some point like below.
javakys
RE: Read value of control and status registers is 0x00
by alexander111122 ·
Thanks for the reply, but I think you have misunderstood me. I read SIPR GAR, etc very well -So SPI interface is working!
I cannot read MR, Sn_SR - that’s the problem.
RE: Read value of control and status registers is 0x00
by Coccoliso ·
Hi,
May be a reset problem.
Have set properly tx/rx buffer after the reset routine?