CONTAIN_ROUTING - 2023.2 English

Vivado Design Suite Properties Reference Guide (UG912)

Document ID
Release Date
2023.2 English

The CONTAIN_ROUTING property restricts the routing of signals contained within a Pblock to use routing resources within the area defined by the Pblock. This prevents signals inside the Pblock from being routed outside the Pblock, and increases the reusability of the design.

By default the definition of a Pblock restricts the placement of logic assigned to the Pblock to within the area defined by the Pblock. This property has the same effect for routing. The CONTAIN_ROUTING property is specific to a Pblock and must come after the create_pblock commands in an XDC file.

Only signals that are entirely owned by the Pblock cells will be contained within the Pblock. For example, if no BUFGMUX resources are found within the Pblock, paths from or to a BUFGMUX cannot be contained.

Architecture Support
All architectures.
Applicable Objects
PBlocks (get_pblocks)


Contain the routing of signals inside a Pblock to the area defined by the Pblock range.
Do not contain the routing of signals inside the Pblock. This is the default.


Verilog Syntax

Not applicable

VHDL Syntax

Not applicable

XDC Syntax
set_property CONTAIN_ROUTING <TRUE | FALSE> [get_pblocks <pblock_name>]

Where <pblock_name> specifies the PBlock or PBlocks to apply the property to.

XDC Example:

set_property CONTAIN_ROUTING true [get_pblocks pblock_usbEngine0] 
set_property CONTAIN_ROUTING true [get_pblocks pblock_usbEngine1]

Affected Steps

  • Routing