TM4C1294NCPDT: Lightning surge protection circuit for TM4C1294NCPDT

Hi Yoshitsuga-san,

  Please refer to TM4C129 System Design Guideline and datasheet for the reference schematic on Ethernet PHY connection to RJ45. The schematic shows the transformer and the protection diode placement. 

https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.ti.com/lit/pdf/spma056&ved=2ahUKEwjqm9fojLmAAxUgJDQIHad8A8EQFnoECB0QAQ&usg=AOvVaw3Tmu_83TN21E9Pv6M6bdB-

I want to also give you a heads up,  I'm out of office until 8/3. Please expect delayed response if you have further questions.