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Observer
Observer
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Registered: ‎08-03-2017

Clock input locations

Where are the clock input locations for an MMCM in a xc7a35tcsg32g? Is that listed in one of the documents?

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Teacher
Teacher
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Registered: ‎07-09-2009

Re: Clock input locations

One place is the pin out files.
https://www.xilinx.com/support/package-pinout-files/artix-7-pkgs.html

Find your device, and there is a file,
Each of the pins has a descriptive name

e.g.
IO_L12P_T1_MRCC_14

This is a general purpus IO pin, , its the positive part of the L12 pair,
it is in bank 14, and can be used as the positive part of a Multi region clock input

Any MRCC or SRCC pin can drive a MMCM directly

https://www.xilinx.com/support/documentation/user_guides/ug472_7Series_Clocking.pdf

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