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Altera_Forum's avatar
Altera_Forum
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14 years ago

5V to 3.3V bus and vice versa

MC68000 to CycloneII There is something wrong with quickswich devices. As I know MC68000 cant support 3.3V (some versions can but mine just cant). When i use quickswich any type i only get ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hm thank you I ll check that, but basic idea is to cyclone II take over the mc68000 bus, and it should be fastest as it can be. PI5C34X245 is the device I would like to use, because it has 32 bus and for replacing of MC i could use only two of those devices. In Pericom manual says that PI5C is 5v=>3.3v but no vice versa. I just dont understand why quickswich devices cant work <=> their names says that they can.