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Voyager
Voyager
1,822 Views
Registered: ‎03-18-2008

how to select the BITSTREAM.CONFIG.CONFIGRATE value?

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[Netlist 29-154] Cannot set property 'BITSTREAM.CONFIG.CONFIGRATE' because incorrect value '33' specified. Expecting type 'enum' with possible values of '2.7,5.3,8.0,10.6,21.3,31.9,36.4,51.0,56.7,63.8,72.9,85.0,102.0,127.5,170.0'. ["E:/temp/arm/iphone8/Xapp_QUAD_SPI/project_1/project_1.srcs/constrs_1/imports/source/kcu105.xdc":45]

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Moderator
Moderator
2,170 Views
Registered: ‎01-15-2008

Hi,

 

are you using ultrascale+ devices then you need to choose among the configrate  2.7, 5.3, 8.0, 10.6, 21.3, 31.9, 36.4, 51.0, 56.7, 63.8, 72.9, 85.0, 102.0, 127.5, 170.0

check page 310 in ug908 for the configrate.

 

This is the reason you see the message with the expeted values which I have copied here

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Moderator
Moderator
2,171 Views
Registered: ‎01-15-2008

Hi,

 

are you using ultrascale+ devices then you need to choose among the configrate  2.7, 5.3, 8.0, 10.6, 21.3, 31.9, 36.4, 51.0, 56.7, 63.8, 72.9, 85.0, 102.0, 127.5, 170.0

check page 310 in ug908 for the configrate.

 

This is the reason you see the message with the expeted values which I have copied here

View solution in original post

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Participant
Participant
276 Views
Registered: ‎07-24-2018

Hi @kkn 

May I know, what is clock frequency represented by each of these values?

For Ex. Configrate 85 means 85MHz or any other frequency?

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Moderator
Moderator
167 Views
Registered: ‎01-15-2008

@vishnu.k ,

 

yes 85 means 85 Mhz. Also I advice you to look at the cclk tolerance in datasheet of the particular device you choose since you may not observe exact clock frequency during operation of internal configuration clock

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