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kasli/ustc: use TTLOut

This commit is contained in:
Sebastien Bourdeauducq 2018-05-18 22:55:28 +08:00
parent 9a4408a570
commit 72aef5799e
1 changed files with 5 additions and 1 deletions
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6
artiq/gateware/targets/kasli.py
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@ -750,7 +750,11 @@ class USTC(_StandaloneBase):
for i in range(24):
eem_offset, port = divmod(i, 8)
pads = platform.request("eem{}".format(5 + eem_offset), port)
phy = ttl_serdes_7series.InOut_8X(pads.p, pads.n)
if i < 4:
cls = ttl_serdes_7series.InOut_8X
else:
cls = ttl_serdes_7series.Output_8X
phy = cls(pads.p, pads.n)
self.submodules += phy
rtio_channels.append(rtio.Channel.from_phy(phy))