set_device \
    -family  SmartFusion2 \
    -die     PA4M5000 \
    -package fg896 \
    -speed   STD \
    -tempr   {COM} \
    -voltr   {COM}
set_def {VOLTAGE} {1.2}
set_def {VCCI_1.2_VOLTR} {COM}
set_def {VCCI_1.5_VOLTR} {COM}
set_def {VCCI_1.8_VOLTR} {COM}
set_def {VCCI_2.5_VOLTR} {COM}
set_def {VCCI_3.3_VOLTR} {COM}
set_def NETLIST_TYPE EDIF
set_name Linker_Design
set_workdir {E:\Ranjith\Linker_Design\designer\Linker_Design}
set_log     {E:\Ranjith\Linker_Design\designer\Linker_Design\Linker_Design_sdc.log}
set_design_state pre_layout
