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I want to know the number of I/O Element in user I/O.
CPLD:EPM570T144C5N user I/O:116 Does All user I/O have I/O elemenst? If it is possible, I want to use all user I/O as bidirectional I/O buffer(inout).Link Copied
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Hi there,
you should check the datasheet as user I/O are pins available for your application but some are inputs only.- Mark as New
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--- Quote Start --- Hi there, you should check the datasheet as user I/O are pins available for your application but some are inputs only. --- Quote End --- Thank you for your answer. I checked the device handbook. but I don't know user I/O which is inputs only. If it is possible, please let me know what is inputs only user I/O of EPM570T144C5N.
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Hi,
the pinout is defined in http://www.altera.com/literature/dp/max2/epm570.pdf As there are no I/O pin defined as input only, the I/O as listed are bidirectional, some (e.g. the Clocksignals) are either dedicated clock signals or can be used as I/O (to be defined in QuartusII) - if you are fine with using the I/O regarding the number of signals to be connected, just use only the I/O...
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