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Altera_Forum
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10 years ago

msel in multiple configuration schemes

Hello, In my design with cyclone IV E, I have to use two configuration scheme options, AS and FPP, the problem is that the data sheet says the MSEL pins which define the configuration scheme sh...
Altera_Forum's avatar
Altera_Forum
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9 years ago

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Thanks alot both of you!

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FYI, The Cyclone V databook has been updated to read:

Section 7-2:

MSEL Pin Settings

To select a configuration scheme, hardwire the MSEL pins to VCCPGM or GND without pull-up or pull-down resistors.

Note: Altera recommends connecting the MSEL pins directly to VCCPGM or GND. Driving the MSEL pins from a microprocessor or another controlling device may not guarantee the VIL or VIH of the MSEL pins. The VIL or VIH of the MSEL pins must be maintained throughout configuration stages.

https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/cyclone-v/cv_5v2.pdf