def do_finalize(self, fragment):
AlteraPlatform.do_finalize(self, fragment)
self.add_period_constraint(self.lookup_request("clk12", loose=True), 1e9/12e6)
# Generate PLL clock in STA
self.toolchain.additional_sdc_commands.append("derive_pll_clocks")
# Calculates clock uncertainties
self.toolchain.additional_sdc_commands.append("derive_clock_uncertainty")
def do_finalize(self, fragment):
AlteraPlatform.do_finalize(self, fragment)
self.add_period_constraint(self.lookup_request("clk50", 0, loose=True),
1e9 / 50e6)
self.add_period_constraint(self.lookup_request("clk50", 1, loose=True),
1e9 / 50e6)
self.add_period_constraint(self.lookup_request("clk50", 2, loose=True),
1e9 / 50e6)
def do_finalize(self, fragment):
AlteraPlatform.do_finalize(self, fragment)
self.add_period_constraint(self.lookup_request("clk50", loose=True),
1e9 / 50e6)
# Generate PLL clocsk in STA
self.toolchain.additional_sdc_commands.append(
"derive_pll_clocks -create_base_clocks -use_net_name")
self.toolchain.additional_sdc_commands.append(
"derive_clock_uncertainty")
def do_finalize(self, fragment):
AlteraPlatform.do_finalize(self, fragment)
self.add_period_constraint(self.lookup_request("clk12", loose=True),
1e9 / 12e6)
self.add_period_constraint(self.lookup_request("clk25", loose=True),
1e9 / 25e6)
