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Ethernet PHY power control on MCIMX6SLEVK board

Question asked by Sonu Goyal on May 29, 2014
Latest reply on May 29, 2014 by igorpadykov

Hi,

 

In the MCIMX6SLEVK board kit, there are an ethernet phy power control circuit using mosfet(Q6 and Q7). Which are controlled by a GPIO (FEC_TX_CLK).

I am some query regarding this.

1. Why we are controlling that circuit using GPIO.

2.What are the need of that GPIO control.

3. can we give direct power to the ethernet phy circuit.

 

ethernet_phy.png

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