18F67J60 circuit for ethernet operation


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  1. #1
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    Default Re: 18F67J60 circuit for ethernet operation

    excuse me. i'm not good english. but i have one question : why The internal analog circuitry in the PHY module requires that an external resistor (2.26 k) be attached from RBIAS to ground. how uses this value
    please help me! (
    Last edited by linhepu; - 27th August 2014 at 09:02.

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    Default Re: 18F67J60 circuit for ethernet operation

    Quote Originally Posted by linhepu View Post
    excuse me. i'm not good english. but i have one question : why The internal analog circuitry in the PHY module requires that an external resistor (2.26 k) be attached from RBIAS to ground. how uses this value
    please help me! (
    The resistor influences the TPOUT+/-
    signal amplitude.Read the Data sheet 19.1.4 it tells there.
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