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Explorer
Explorer
3,579 Views
Registered: ‎03-18-2008

BITSLICE_CONTROL instance error for ultrascale+ VU9P

ERROR: [DRC 23-20] Rule violation (PDRC-198) Serial_mode_bitslice_0_connected - SERIAL Mode : The SERIAL mode nibble at BITSLICE_CONTROL instance gmac_wrapper/core_wrapper_i/inst/pcs_pma_block_i/gen_io_logic/BaseX_Byte_I_Rx_Nibble/Gen_1.Nibble_I_BitsliceCntrl must have an RX_BITSLICE or RXTX_BITSLICE connected to bitslice position 0 with attribute DATA_TYPE set to 'SERIAL', see Select IO Userguide UG571 for more information.

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5 Replies
2,915 Views
Registered: ‎02-27-2014

Re: BITSLICE_CONTROL instance error for ultrascale+ VU9P

I am having the same issue, any update on this?

 

Reza

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2,908 Views
Registered: ‎02-27-2014

Re: BITSLICE_CONTROL instance error for ultrascale+ VU9P

That will go away is you chose DIFF PAIR 1.

 

Reza 

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Adventurer
Adventurer
311 Views
Registered: ‎04-25-2017

Re: BITSLICE_CONTROL instance error for ultrascale+ VU9P

I get similar error. How did you resolve this issue? What is the reason for that? Thanks!

 

[Place 30-689] Failed to place BITSLICE_CONTROL cell TargetBoard_BIST_i/axi_ethernet_0/inst/pcs_pma/inst/pcs_pma_block_i/gen_io_logic/BaseX_Byte_I_Tx_Nibble/Gen_1.Nibble_I_BitsliceCntrl on site BITSLICE_CONTROL_X1Y50 because Instance TargetBoard_BIST_i/axi_ethernet_0/inst/pcs_pma/inst/pcs_pma_block_i/gen_io_logic/BaseX_Byte_I_Tx_Nibble/Gen_1.Nibble_I_BitsliceCntrl can not be placed in CONTROL of site BITSLICE_CONTROL_X1Y50 because the bel is occupied by TargetBoard_BIST_i/axi_ethernet_0/inst/pcs_pma/inst/pcs_pma_block_i/gen_io_logic/BaseX_Byte_I_Rx_Nibble/Gen_1.Nibble_I_BitsliceCntrl(port:). This could be caused by bel constraint conflict. Please check if the cell is used correctly in the design.

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Moderator
Moderator
286 Views
Registered: ‎08-08-2017

Re: BITSLICE_CONTROL instance error for ultrascale+ VU9P

Hi @astrome 

Are you modifying any location constraints default in the IP?

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Adventurer
Adventurer
275 Views
Registered: ‎04-25-2017

Re: BITSLICE_CONTROL instance error for ultrascale+ VU9P

Dear @pthakare 

I  haven't medled with the IP.  I have used the same/usual constraints.

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