plasmo Messages: 916 Registered: March 2017 Location: New Mexico, USA
Senior Member
EPM240 development board is an inexpensive (~$10) CPLD learning board based on Intel (Altera) Max2 EPM240 CPLD. I bought mine from this eBay seller, https://www.ebay.com/itm/354417399620. The board has a 100-pin EPM240 with 50MHz oscillator and four 2x10 headers. EPM240 is a 3.3V device and not 5V tolerant. A mezzanine board can mate with the headers to host additional electronics. There are enough room on such mezzanine board for two 600-mil DIP side-by-side within the space of four 2x20 headers. That's enough room for a retro processor, memory and associated connectors.
EPM240 has 240 macrocells which is much larger than the 5V EPM7XXX CPLD that I've been using for many projects. While I have larger design space, I have to deal with the 3.3V limitation which restricts the retro computer families I can work with.
I plan to develop mezzanine boards for Z80, Z180, 65C02, 68SEC000, and 68EZ328.
Bill
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