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AN14558 - Implementing a SPI Interface with EZ-USB FX2LP™

Last Updated: 07/23/2012
Version: *C


This application note demonstrates how to implement a SPI interface. It uses the EZ-USB FX2LP as a SPI Master and a SPI Serial EEPROM (25AA256) as a SPI slave. This example comes with a host application with which the user can access the EEPROM. The EZ-USB FX2LP firmware uses the ports mode and bit-bangs the General Purpose IOs to create the SPI interface. The hardware connection diagram and code listing is included.


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      AN14558.pdf English 122 KB 05/11/2012
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Spec No: 001-14558; Sunset Owner: DBIR; Secondary Owner: HBM; Sunset Date: 09/17/11

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