From f905fda8ffd57c7d850fa555f77270ca506ca600 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Fri, 9 Mar 2018 13:01:48 +0100 Subject: [PATCH] phy/kusddrphy: use IOBUFDSE3 on dqs to be able to apply ODT=RTT_40 constraint --- litedram/phy/kusddrphy.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/litedram/phy/kusddrphy.py b/litedram/phy/kusddrphy.py index ba85c62..5b3c45f 100644 --- a/litedram/phy/kusddrphy.py +++ b/litedram/phy/kusddrphy.py @@ -200,9 +200,9 @@ class KUSDDRPHY(Module, AutoCSR): i_ODATAIN=dqs_nodelay, o_DATAOUT=dqs_delayed ), - Instance("OBUFTDS", + Instance("IOBUFDSE3", 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] ) ]