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Altera_Forum
Honored Contributor
17 years agoCyclone III MSEL pin levels
Hi, Just a quick question regarding the levels required on the MSEL pins for configuration of a Cyclone III device. I was studying the Cyclone III handbook and on page 216 it states the following:...
Altera_Forum
Honored Contributor
17 years agoDo they mean Vccio power supply of the bank and not Vccint?
No, it does mean VCCINT, for many devices such as this one, Altera device input buffers are powered by VCCINT. It makes the input buffers independent of VCCIO voltage.