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TUSB215: Apple ATS(Accessory Test System) Failure Issue with TUSB215EVM

Part Number: TUSB215

Hi E2E team. 

This is Jonathan from Avnet. 

One of our customers, applied TUSB215 to CAR-Amp system in order to compensate for signal loss in a transmission channel. 

In spite of that, they have not been able to pass the Apple ATS(Accessory Test System) test. 

Please review and then let me know the cause of trouble. 

Thanks. 

The test environment and ATS error message are as follows.

- Test environment. 

- Apple ATS(Accessory Test System) error message. 

- TUSB215 EQ & Boost Setting. (EQ = EQ2, Boost = Mid)

- EYE Pattern.