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CPLD source code for Programmable Logic Controller (PLC) I/O Module

We have built the evaluation board as per design document from "Programmable Logic Controller (PLC) I/O Module Front- End Controller with Tiva C Series ARM® Cortex™-M4 MCU"-- TIDA-00123. The document ID is TIDU191 - January 2014。

However, we can not find the CPLD source code for the SPI insterface. The CPLD chip is LatticeLC4064V-75TN44I.

Can you please privde the CPLD source code?

Many thanks!

Su

PLC Front End Controller with ARM Cortex M4 MCU.pdf