23 lines
641 B
Python
23 lines
641 B
Python
from ..fhdl import *
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__all__ = ["MultiReg"]
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class MultiReg(Module):
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def __init__(self, i, o, odomain="sys", n=2, reset=0):
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self.i = i
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self.o = o
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self.odomain = odomain
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self._regs = [Signal(self.i.bits_sign(), name="cdc{}".format(i),
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reset=reset, reset_less=True)#, attrs=("no_retiming",))
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for i in range(n)]
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def get_fragment(self, platform):
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f = Module()
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for i, o in zip((self.i, *self._regs), self._regs):
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f.sync[self.odomain] += o.eq(i)
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f.comb += self.o.eq(self._regs[-1])
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return f.lower(platform)
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