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Hello,
Can I use PLL_2C_CLKOUT0n and PLL_2C_CLKOUT0p,PLL_2C_CLKOUT0,PLL_2C_FB0 as regular I/O pins in Stratix 10?
Refer to the Pin list of 1sg280es UF50, they are IO function, and PLL CLKOUT are optional function. So I think they can treat as regular I/O pins?
Regards,
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Hi,
Please note the above pins can be used as I/O or dedicated clock signals . Please refer the page no: 5 of the pin connection guidelines.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/dp/stratix-10/pcg-01020.pdf
Regards,
RS
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Hi,
Thank you for your explanation.
Page no 5 has a description about PLL_2C_CLKOUT0,PLL_2C_FB0, and it can be treated as I/O. Page no 6 has a description about PLL_2C_CLKOUT0n, but it says "can be used as two single-ended clock output pins or one differential clock output pair." Does PLL_2C_CLKOUT0n cannot be treated as a single-ended input pins?
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Hi Wujun,
Apology for the confusions, the sentence only meant that the pin have the capability to use as an single ended and as differential ended signals. That means to say PLL_2C_CLKOUT0 pin pair ( p and n) can be used as differential pair signals. and Individually can be used as single ended signals.
PLL_2C_CLKOUT0p one signal
PLL_2C_CLKOUT0n another signal
Hope it clarifies.
Regards,
Rs
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Hi RSree
Thank you. I made a typo, and actually I wanted to ask “Does PLL_2C_CLKOUT0n cannot be treated as a single-ended input pins?” Anyway, these two pins can be treated as two single ended I/O signals.

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