CPLD Fun Board (Arduino STM32 + Altera CPLD)

[Pito]

The large number of I/O pins available in the Altera programmable devices make them ideal for implementing microcontroller I/O expansion. For example, with 500 I/O pins, you can implement 62 units of 8 bit ports.

[Just4Fun]

Perfect for a big Christmas decoration... time is coming...

[Just4Fun]

"AN 265: Using Altera MAX Series as Microcontroller I/O Expanders"
https://www.altera.com/documentation/sa ... 05644.html

I read that AN but forget it... may be an interesting example...