w5500 not working (circuit)
Ethernet Chips
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RE: w5500 not working (circuit)
by WIZnet AI AI generated ·
RE: w5500 not working (circuit)
by tony_90 ·
At present, I think the problem is caused by the strict requirements of w5500 for crystal . I want to change to an active oscillator, but the official only says that the requirements of W5500 are: the active crystal oscillator inputs the clock signal through the XI/CLKIN pin, and the signal level requirement is 3.3V. Are there any requirements for the waveform? (square wave or sine wave) In addition, 3.3v is not detailed enough (active oscillator output has loss, usually 90% vdd) Is 3.3V the lowest judgment voltage value of high level?
Thank you
RE: w5500 not working (circuit)
by Alan WIZnet ·
Hello, I'm Alan.
Please remove 49.9 ohms connected to SPI.