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I'm learning Quartus Lite using the MAX II EPM240 CPLD.
I was able to compile successfully based on https://eecs.blog/max-ii-cpld-basic-getting-started-tutorial/, a simple counter/divider design.
I was also able to compile successfully based on https://www.allaboutcircuits.com/projects/from-vhdl-code-to-real-hardware-designing-a-finite-state-machine/.
I'm waiting for hardware to test these.
In the meantime I decided that the counter could be used as a divider for the clock for the finite state machine, so I tried to create both of those in a single quartus file. There were various difficulties, but I finally got something that might work, see the schematic picture attached.
The problem I ran into is that the pin planner wouldn't set a direction for the input (aclk) and output (out( on the counter, see the picture of the pin planner attached.
I tried to use the Assignment Editor, that didn't help.
Any thoughts?
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