15 lines
632 B
Python
15 lines
632 B
Python
for cname, cell in ctx.cells:
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if cell.type != "GENERIC_SLICE":
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continue
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if cname in ("$PACKER_GND", "$PACKER_VCC"):
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continue
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K = int(cell.params["K"])
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if int(cell.params["FF_USED"], 2) == 1:
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ctx.addCellTimingClock(cell=cname, port="CLK")
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for i in range(K):
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ctx.addCellTimingSetupHold(cell=cname, port="I[%d]" % i, clock="CLK",
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setup=ctx.getDelayFromNS(0.2), hold=ctx.getDelayFromNS(0))
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ctx.addCellTimingClockToOut(cell=cname, port="Q", clock="CLK", clktoq=ctx.getDelayFromNS(0.2))
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else:
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for i in range(K):
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ctx.addCellTimingDelay(cell=cname, fromPort="I[%d]" % i, toPort="Q", delay=ctx.getDelayFromNS(0.2)) |