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phy/kusddrphy: use IOBUFDSE3 on dqs to be able to apply ODT=RTT_40 constraint

This commit is contained in:
Florent Kermarrec 2018-03-09 13:01:48 +01:00
parent e6a99d9cbc
commit f905fda8ff
1 changed files with 2 additions and 2 deletions
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4
litedram/phy/kusddrphy.py
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@ -200,9 +200,9 @@ class KUSDDRPHY(Module, AutoCSR):
i_ODATAIN=dqs_nodelay, o_DATAOUT=dqs_delayed i_ODATAIN=dqs_nodelay, o_DATAOUT=dqs_delayed
), ),
Instance("OBUFTDS", Instance("IOBUFDSE3",
i_I=dqs_delayed, i_T=dqs_t, i_I=dqs_delayed, i_T=dqs_t,
o_O=pads.dqs_p[i], o_OB=pads.dqs_n[i] io_IO=pads.dqs_p[i], io_IOB=pads.dqs_n[i]
) )
] ]