DP83TC811S-Q1: 1.During the debugging, we found that the 25Mhz crystal oscillator would start to vibrate for a period of time after power-on, but it would stop later. I don't know what is the cause? The chip goes into low power mode?

Bao Songhao

Part Number: DP83TC811S-Q1

1.During the debugging, we found that the 25Mhz crystal oscillator would start to vibrate for a period of time after power-on, but it would stop later. I don't know what is the cause? The chip goes into low power mode?

over 3 years ago

0 David Creger over 3 years ago

TI__Mastermind 27192 points

I have replied to this post here: https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1118231/dp83tc811s-q1-the-rx-clk-sent-by-the-phy-to-the-mac-will-catch-the-84mhz-waveform-when-it-is-powered-on-and-the-84mhz-frequency-feels-abnormal

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DP83TC811S-Q1: 1.During the debugging, we found that the 25Mhz crystal oscillator would start to vibrate for a period of time after power-on, but it would stop later. I don't know what is the cause? The chip goes into low power mode?