EP3C16F256 Configuration

which portion of the doc are you referring to? note that Table 9-10 applies to AP not AS configuration

the mention device should support AS

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which portion of the doc are you referring to? note that Table 9-10 applies to AP not AS configuration

the mention device should support AS

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this is what I found confusing, from chapter 9:

Smaller Cyclone III devices or package options (E144, M164, Q240, F256, and U256

packages) do not have the MSEL[3] pin. The AS Fast POR configuration scheme at 3.0-

or 2.5-V configuration voltage standard and the AP configuration scheme are not

supported in Cyclone III devices without the MSEL[3] pin. To configure these devices

with other supported configuration schemes, select the MSEL[2..0] pins according to

the MSEL settings in Table 9–7.

Perhaps this means that the AS fast POR at 3-2.5V is not supported but it is at 3.3V???

So there is no MSEL[3] pin but all the configurations show it used....

Thanks

Rich

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right, without MSEL[3] you can do AS with standard POR at 3.3V or 2.5/3.0V or AS with fast POR only at 2.5/3.0V (but not at 3.3V). that's shown in Table 9-7

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OK, I guess I have have all options where MSEL[3] is low (0)?

Thanks

Rich

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yes, i guess the documentation doesn't really spell that out

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hey, thank you very much for the help!

Rich