21.4.28 sd_disconnect_pins

Description

This Tcl command disconnects a list of SmartDesign top level ports and/or instance pins from the net they are connected to.

Note: This command is not required to build a SmartDesign component. It maps to an interactive user action in the SmartDesign Canvas and will not be present in the exported file when user selects Libero Project -'Export Component Description(Tcl)' on a SmartDesign component.
sd_disconnect_pins -sd_name {smartdesign component name} \
                   -pin_names {port or pin or slice names}

Arguments

ParameterTypeDescription
sd_namestringSpecifies the name of the SmartDesign component. It is mandatory.
pin_namesstringSpecifies the port, pin and/or slice names to be disconnected as follows: {"instance_name:pin_name" "port_name"}. This command will fail if the ports, pins and/or slices do not exist. There may be multiple -pin_names arguments (see example below). This is mandatory.
Return TypeDescription
NoneNone

Error Codes

Error CodeDescription
NoneParameter 'pin_names' is missing or has invalid value.
NoneRequired parameter 'sd_name' is missing.
NoneParameter 'param_name' is not defined. Valid command formatting is 'sd_disconnect_pins -sd_name "sd_name" -pin_names "[pin_names]+"'.

SDCTRL05

Pin 'pin_name' does not exist.

Supported Families

Supported Families
PolarFire®
PolarFire SoC
RTG4
SmartFusion® 2
IGLOO® 2

Example

  • The following command disconnects "B_ren" and "B_ADRR[12:12]" slice from the "SD1" design:

    sd_disconnect_pins -sd_name {SD1} \
                       -pin_names {B_ren RAM1K20_0:B_ADRR[12:12]}
  • The following command disconnects "AND2_0:B", "AND3_0:APF_XCVR_ERM_C0_0:LANE0_RX_READY" pin/ports from the "SD2" SmartDesign:

    sd_disconnect_pins \
          -sd_name {SD2} \
          -pin_names {AND2_0:B AND3_0:APF_XCVR_ERM_C0_0:LANE0_RX_READY}

See Also

  • sd_connect_pins