You are here

AN76405 - EZ-USB™ FX3™ Boot Options | サイプレス セミコンダクタ

AN76405 - EZ-USB™ FX3™ Boot Options

2021 年 7 月 25 日
This application note describes the boot options - over USB, I2C, SPI, and synchronous Address Data Multiplexed (ADMux) interfaces - available for the Cypress EZ-USB® FX3™ peripheral controller

AN76405 describes the boot options—over USB, I2C, serial peripheral interface (SPI), and synchronous Address Data Multiplexed (ADMux) interfaces—available for the EZ-USB™ FX3™ peripheral controller. This application note is also applicable to FX3S™ and CX3 peripheral controllers. This application note is primarily intended for EZ-USB™ FX3™/FX3S™/CX3 users.


EZ-USB FX3 is the next-generation USB 3.0 peripheral controller, providing highly integrated and flexible features that enable developers to add USB 3.0 functionality to a wide range of applications.

FX3 supports several boot options, including booting over USB, I2C, SPI, synchronous and asynchronous ADMux, and asynchronous SRAM interfaces.

Note This application note describes the details of only the USB, I2C, SPI, and synchronous ADMux boot options.

Please refer to the SuperSpeed Code Examples for more examples.

Dear valued customer,

Thank you for choosing our products. They come with all the know-how and passion that our engineers have put into it. As you probably already know, Cypress is now Infineon. This is a major step for our company, but also for the good of you. 

Reliability and business continuity are of utmost importance for us. Hence, we remain fully committed to honoring existing customer and distributor relationships. This includes offering the legacy Cypress product portfolio. We thank you very much for your trusting support.

For the full version of this message, please download the PDF version.