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i.MX25: Apply 3.3V to 1.5V OSC32K_XTAL & OSC_BYP

Question asked by Nori Shinozaki on Jul 29, 2015
Latest reply on Jul 30, 2015 by Nori Shinozaki

Hello Champs,

 

My customer designed a board which applys 3.3V external clock to 1.5V OSC32K_XTAL and OSC_BYP.

They are using an external clock device which output level is 3.3V.

They measured voltages at OSC32K_XTAL and OSC_BYP, which show 2.3V.

Seems like amount of 1.0V voltage is absorbed in i.MX25.

 

The boards are out in the market already and they would like to know what can be happened in the boards.

Can the applied 3.3V cause shortage of life time or something?

 

Best regards,

Nori Shinozaki

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