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AN76348 - Migrating from EZ-USB® FX2LP™ Based Design to EZ-USB FX3 Based Design

Last Updated: 09/06/2012
Version: **

AN76348 tells you how to modify the top-level application to migrate an EZ-USB® design based on FX2LP™ to one based on FX3™. This application note highlights the differences between FX3 and FX2LP in architecture, hardware level, and firmware framework using a bulkloop example.

Introduction

Cypress EZ-USB FX3 is the next generation USB 3.0 peripheral controller, which provides highly integrated and flexible features that enable developers to add USB 3.0 functionality to any system.

EZ-USB FX3 has a fully configurable, parallel, general programmable interface called GPIF II, which can connect to an external processor, ASIC, or FPGA. The GPIF II is an enhanced version of the GPIF in FX2LP, Cypress’s flagship USB 2.0 product. GPIF II provides easy and glueless connectivity to popular interfaces, such as asynchronous SRAM, asynchronous and synchronous address data multiplexed interface, and many others.


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Spec No: 001-76348; Sunset Owner: RSKV; Secondary Owner: HBM; Sunset Date: 10/13/12

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