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i.MX6 USB Transceiver

Question asked by Atilla Mete Turedi on Jan 5, 2016
Latest reply on Jan 6, 2016 by igorpadykov

Greetings,

 

Quick question about the USB Host Interface of the i.MX6.

 

Despite the fact that the datasheet implicitly says that there exists a USB HS Transceiever (USBPHY) as can

be seen in the image below;

 

Soru1.PNG

 

Sabre for Infotainment includes a USB Transceiver IC as can be seen in the schematic snippet below;

 

Soru 2.PNG

 

Why is there a need for the USB3317 IC? Is it perhaps because there are 2 USB Host connections in the

Sabre design? Am I misinterpreting the datasheet when it says "USB support is composed of USBPHY (HS USB

Transceiver) ?

 

Thanks in advance for any replies.

Atilla

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